Nearly Two-Thirds of American Teens and Tweens Use AI Chatbots, Surveys Find

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

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 researchers emphasized that the surveys ___ establish causation.

   Choices for blank 1

   1. could not
   2. could not have
   3. cannot
   4. cannot have
   Check answers and explanations

   Blank 1

   cannot

   A modal perfect construction expresses inability regarding a past evidential conclusion.

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

   Choose the correct option for each blank.

   ___ the rapid expansion of chatbot use, researchers continue examining its consequences.

   Choices for blank 1

   1. Despite
   2. Although
   3. Despite of
   4. Nevertheless of
   Check answers and explanations

   Blank 1

   Despite

   The preposition “despite” correctly introduces a contrast with a noun phrase.

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

   Choose the correct option for each blank.

   The findings, ___ by two independent surveys, attracted considerable attention.

   Choices for blank 1

   1. supported
   2. supporting
   3. were supported
   4. having support
   Check answers and explanations

   Blank 1

   supported

   The past participle correctly forms a reduced passive relative clause.

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

   Choose the correct option for each blank.

   Researchers are uncertain whether distress encourages chatbot use or whether chatbot use ___ distress.

   Choices for blank 1

   1. contributes to
   2. contribute to
   3. contributing to
   4. to contribute to
   Check answers and explanations

   Blank 1

   contributes to

   The parallel present-tense verb correctly completes the alternative structure.

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

   Choose the correct option for each blank.

   The older the students became, ___ their reported chatbot use appeared to be.

   Choices for blank 1

   1. the more widespread
   2. more widespread
   3. the most widespread
   4. most widespread
   Check answers and explanations

   Blank 1

   the more widespread

   The correlative comparative construction requires “the more.”

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

   Choose the correct option for each blank.

   The survey results warrant further research, ___ they do not establish causation.

   Choices for blank 1

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

   Blank 1

   although

   “Although” correctly introduces a concessive subordinate clause.

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

   Choose the correct option for each blank.

   The psychologist recommended that schools ___ clear guidance on responsible chatbot use.

   Choices for blank 1

   1. provide
   2. provides
   3. provided
   4. to provide
   Check answers and explanations

   Blank 1

   provide

   After “recommended that,” formal English uses the mandative subjunctive base form.

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.