TOEFL Grammar Quiz

Ace the TOEFL grammar section with free practice quizzes. Test academic grammar structures, complex sentences and formal English usage.

94 Questions All Levels Instant Feedback Timed Quizzes

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Sample Questions

1. Which is correct? 'The evidence ___ that the intervention was effective.'

A is suggesting

B suggested

C suggest

D suggests

2. Which is correct? 'The participants ___ to provide informed consent.'

A were required

B have required

C required

D are requiring

3. Choose the correct sentence.

A The variables were controlling to ensure reliable results.

B The variables were controlled to ensure reliable results.

C The variables have been controlling to ensure reliable results.

D The variables controlled to ensure reliable results.

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