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

A. enough intelligent

B. to pass

C. economics

D. help

Câu 2: People say that Cameron was the best director of his time.

A. Cameron is said to be best director of his time.

B. Cameron was said to have been the best director of his time.

C. It was said that Cameron was the best director of his time. 

D. Cameron is said to have been the best director of his time.

Câu 3: 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 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: The result of the studies have had a strong impact on future developments.

A. of

B. have had

C. strong

D. on

Câu 6: Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the primary stress in each of the following questions.

A. argument

B. admission

C. domestic

D. acquaintance