Chiricahua National Monument Becomes America’s 64th National Park

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

C2. 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

Fill in the blank (dropdown)

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 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   The redesignation, ___ years of bipartisan effort, changed the site’s public classification.

   Choices for blank 1

   1. concluding
   2. concluded
   3. to concluding
   4. having conclude
   Check answers and explanations

   Blank 1

   concluding

   The participial phrase correctly expresses a result following prior effort.

2. Question 2 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   The article distinguishes a change in status from ___ an entirely new protected area.

   Choices for blank 1

   1. create
   2. creating
   3. to creating
   4. created
   Check answers and explanations

   Blank 1

   creating

   After “from,” the gerund form is required in this construction.

3. Question 3 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   Had the article supplied further evidence, it ___ more confidently described administrative consequences.

   Choices for blank 1

   1. could have
   2. could
   3. can have
   4. will have
   Check answers and explanations

   Blank 1

   could have

   This mixed conditional requires “could have” for an unreal past condition.

4. Question 4 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   The landscape is increasingly identified as one of the parks ___ through the national network.

   Choices for blank 1

   1. recognize
   2. recognizing
   3. recognized
   4. to recognizing
   Check answers and explanations

   Blank 1

   recognized

   The reduced relative clause requires the past participle “recognized.”

5. Question 5 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   The article avoids claims ___ the available event information cannot substantiate.

   Choices for blank 1

   1. who
   2. where
   3. whose
   4. that
   Check answers and explanations

   Blank 1

   that

   The relative pronoun functions as the object of “substantiate.”

6. Question 6 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   The designation is significant, ___ its practical consequences remain uncertain.

   Choices for blank 1

   1. although
   2. because of
   3. despite of
   4. whereas of
   Check answers and explanations

   Blank 1

   although

   “Although” introduces the concessive subordinate clause correctly.

7. Question 7 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   The article presents the change as symbolically important without ___ unsupported operational effects.

   Choices for blank 1

   1. assert
   2. asserting
   3. to assert
   4. asserted
   Check answers and explanations

   Blank 1

   asserting

   The preposition “without” requires a gerund complement here.

8. Question 8 · Fill in the blank (dropdown)

   Choose the correct option for each blank.

   Only after the redesignation ___ the landscape enter the national park system.

   Choices for blank 1

   1. did
   2. the landscape did
   3. the landscape has
   4. has the landscape
   Check answers and explanations

   Blank 1

   did

   Fronted restrictive adverbials trigger subject–auxiliary inversion.

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.