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

A. enough intelligent

B. to pass

C. economics

D. help

Câu 1: While Peter ________the rose bush in the back yard, the phone rang.

A. were watering

B. has watered

C. watered

D. was watering

Câu 2: I don’t understand why the students didn’t keep silent while the speech _________.

A. was being made

B. was made

C. has been made

D. has been made

Câu 3: 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 4: We should participate in the movement _________to conserve the natural environment.

A. which organized

B. organizing

C. to organize

D. organized

Câu 5: The novel was such interesting that I read it from the beginning to the end in 4 hours.

A. such

B. read

C. the beginning

D. in

Câu 6: 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