Câu hỏi: 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 1: The result of the studies have had a strong impact on future developments.

A. of

B. have had

C. strong

D. on

Câu 2: "Be sorry for sending the wrong information, Kate" said Rita.

A. Kate sent the wrong information, and she was sorry.

B. Rita apologized to Kate for sending her the wrong information

C. Rita was sorry about Kate's sending the wrong information.

D. Rita was sorry for not sending Kate the information.

Câu 3: The news surprised everyone in the family. 

A. Everyone in the family found the news surprising.

B. The news in the family made everyone surprisingly.

C. The news made everyone surprised in the family.

D. Everyone was surprised by the news in the family.

Câu 4: 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 5: George is not enough intelligent to pass this economics class without help.

A. enough intelligent

B. to pass

C. economics

D. help

Câu 6: I’d rather _________ to the party with my parents because there was nothing interesting there.

A. hadn’t been invited

B. not have been invited

C. haven’t been invited

D. not be invited