Scientists have found that people who are active at a ...

[ Grammar ]

Scientists have found that people who are active at a moderate level experience a long list of health benefits and that physical activity —- vigorous.

A. has to be

B. must be

C. needn’t be

D. had better be

Select your answer:
A B C D E

Random Topics:
Quotation Marks Type of Sentences Adjective Participle Adjectives Opinion / Agreement PRESENT SIMPLE vs PRESENT CONTINUOUS + QUANT Adverbs and Adjectives Present Simple VS Continuous Will & Be going to

Other quiz: Grammar

Okay, I …………… the popcorn if you buy the drinks.

A. will buy

B. buy

C. would buy

D. bought

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