“I’ve never seen anything like this” — A U.S. doctor treats Ebola’s youngest victims

Study the questions and tasks

Work through the material below, or start the interactive practice above to complete an attempt. Try the exercises before opening any answer or transcript sections, then use them to review your work.

Practice level

C1. Try this level if you can follow the instructions and understand most of the language; choose an earlier level if you need more support.

Question formats

Single choice

How to approach this practice

Read the complete sentence and notice the subject, verb form, time reference and word order before answering.

1. Question 1 · Single choice

   Choose one answer.

   Which sentence correctly uses a participial clause to express simultaneous action?

   1. Concentrating on the doctor’s work, the report presents the disease through her perspective.
   2. Concentrated on the doctor’s work, the report presents the disease through her perspective.
   3. Concentrating on the doctor’s work, the disease presents the report.
   4. Having concentrating on the doctor’s work, the report presents the disease.
   Check answers and explanations

   Answer

   Concentrating on the doctor’s work, the report presents the disease through her perspective.

   The present participle correctly links concentrating with presenting.

2. Question 2 · Single choice

   Choose one answer.

   Which sentence correctly uses inversion after a negative adverbial?

   1. Only rarely the title establishes clinical outcomes.
   2. Only rarely does the title establish clinical outcomes.
   3. Only rarely the title does establish clinical outcomes.
   4. Only rarely establishes the title does clinical outcomes.
   Check answers and explanations

   Answer

   Only rarely does the title establish clinical outcomes.

   Negative-fronted adverbials require auxiliary inversion in formal English.

3. Question 3 · Single choice

   Choose one answer.

   Which option correctly completes the mixed conditional? “Had the package included more data, readers ___ broader conclusions.”

   1. would draw
   2. would have drawn
   3. will have drawn
   4. had drawn
   Check answers and explanations

   Answer

   would have drawn

   A past unreal condition takes a modal perfect result here.

4. Question 4 · Single choice

   Choose one answer.

   Which sentence uses a concessive clause correctly?

   1. Although the title is striking, it cannot establish the cases’ novelty.
   2. Although the title striking, it cannot establish the cases’ novelty.
   3. Although the title is striking, but it cannot establish the cases’ novelty.
   4. Although striking the title, but it cannot establish the cases’ novelty.
   Check answers and explanations

   Answer

   Although the title is striking, it cannot establish the cases’ novelty.

   Although introduces a contrast between emotional impact and evidentiary limits.

5. Question 5 · Single choice

   Choose one answer.

   Which sentence correctly uses a cleft structure for emphasis?

   1. It is children who constitute the report’s principal human focus.
   2. It is children which constitute the report’s principal human focus.
   3. What children constitute is the report’s principal human focus.
   4. Children it is who constitutes the report’s principal human focus.
   Check answers and explanations

   Answer

   It is children who constitute the report’s principal human focus.

   The cleft construction emphasizes children as the report’s principal focus.

6. Question 6 · Single choice

   Choose one answer.

   Which sentence correctly uses a reduced relative clause?

   1. Children affected by Ebola remain the story’s principal human focus.
   2. Children affecting by Ebola remain the story’s principal human focus.
   3. Children were affected by Ebola remain the story’s principal human focus.
   4. Children affected Ebola remain the story’s principal human focus.
   Check answers and explanations

   Answer

   Children affected by Ebola remain the story’s principal human focus.

   “Affected by Ebola” appropriately reduces “who were affected by Ebola.”

7. Question 7 · Single choice

   Choose one answer.

   Which sentence correctly uses a nominalization in formal analytical prose?

   1. The omit of details limits interpretation.
   2. The omission of details limits interpretation.
   3. The omitting details limits interpretation.
   4. The omission details limits interpretation.
   Check answers and explanations

   Answer

   The omission of details limits interpretation.

   “The omission of details” forms a grammatical noun phrase as subject.

What to review next

After checking an answer, explain the rule in your own words and write a new sentence using the same pattern. Revisit any rules you could not explain.

A focused practice result shows how you did on these tasks. Use several activities across skills to decide what to study next; one practice score does not certify an overall CEFR level.