Câu hỏi: If there is a mechanical problem, we suggest ______ the manufacturer directly.

A. contact

B. contacting

C. to contact

D. be contacted

Câu 1: Some scientists say that flying saucers might be people's______

A. imagination

B. imagine

C. imaginative

D. imaginary

Câu 2: I asked her if she______the following exam.

A. will pass

B. would pass

C. passes

D. passed

Câu 3: Those new students hope _______in the school’s sports activities.

A. to be included

B. including

C. being included

D. to include

Câu 4: Imagine someday you would live without ______

A. electricity

B. electric

C. electrician

D. electrical

Câu 5: If you’ve got a headache, why don’t you try _______an aspirin?

A. to take

B. taking

C. to be taken

D. being taken

Câu 6: I’m very proud_________ my school.

A. from

B. at

C. of

D. off