Choose the correct answer A, B, C, or D.

1. My teacher advised I _______ harder to pass the exam.

A. studies

B. study

C. studying

D. to study

2. The professor suggested he _______ the research before March.

A. submit

B. submitting

C. submits

D. would submit

3. Her leader suggested _______ on time.

A. be

B. being

C. is

D. to be

4. Linh recommended that Nam _______ a new e-reader.

A. should buy

B. bought

C. buying

D. will buy

5. The coaches advised that we _______ a Facebook group.

A. creating

B. created

C. to create

D. create