Câu hỏi: _________, we would have been forced to sack him.

A. Were he not to resign

B. If he resigned

C. Had he not resigned

D. If he had resigned

Câu 1: An endangered species is the one _________ population is so small that it is in danger of becoming extinct.

A. which

B. what

C. whose

D. who

Câu 2: She raised her hand high. She wanted to attract her teacher’s attention.

A. Because her teacher attracted her, she raised her hand high.

B. She had such a high raising of hand that she attracted her teacher’s attention.

C. Though she raised her hand high, she could not attract her teacher’s attention.

D. To attract her teacher’s attention, she raised her hand high.

Câu 3: Sleeping, resting, and to drink fruit juice are the best ways to cure for a cold.

A. Sleeping

B. to drink

C. juice

D. best ways

Câu 4: We should participate in the movement _________to conserve the natural environment.

A. which organized

B. organizing

C. to organize

D. organized

Câu 5: Sports clear my mind. They also help me maintain a healthy lifestyle.

A. Not only do sports clear my mind, but they also help me maintain a healthy lifestyle.

B. Neither do sports clear my mind nor help me maintain a healthy lifestyle.

C. Sports clear my mind so that I can maintain a healthy lifestyle.

D. All that sports can do is to clear my mind instead of maintaining a healthy lifestyle.

Câu 6: George is not enough intelligent to pass this economics class without help.

A. enough intelligent

B. to pass

C. economics

D. help