TOEFL Grammar Quiz

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

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Sample Questions

1. Choose the correct sentence.

A The extent the policy has succeeded to remains unclear.

B The extent which the policy has succeeded remains unclear.

C The extent to which the policy has succeeded remains unclear.

D The extent to that the policy has succeeded remains unclear.

2. Choose the correct sentence.

A The sample was randomly selected to minimise selection bias.

B The sample was random selected to minimise selection bias.

C The sample was randomly selecting to minimise selection bias.

D The sample randomly selected to minimise selection bias.

3. Choose the correct sentence.

A The evidence suggest a clear link between the two variables.

B The evidence is suggesting a clear link between the two variables.

C The evidence suggests a clear link between the two variables.

D The evidences suggest a clear link between the two variables.

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