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 more variables there are, ___ the analysis becomes.'

A the more hard

B more harder

C the most hard

D the harder

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

A were required

B have required

C required

D are requiring

3. Which is correct? 'This study is the first ___ examine this phenomenon directly.'

A which

B for

C to

D that

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