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:

Random Topics:
Sentence Structure Adjectives and Pronouns Grammar Like & Linking Verb Present Continuous for Future Social Media Vocabulary Language Features of an Opinion Article Moods of Grammar There is or There are Gerund, Participle, Infinitive, or Appositive

Other quiz:

Grammar › View

Some people try to learn new words and phrases ______ heart.

A. with

B. in

C. by

D. from

Grammar › View

Kelly: I listen to other people’s problems. What am I?

A. A teacher.

B. A singer.

C. A model.

D. A social worker.

Trending Topics