Câu hỏi: Some snakes have hollow teeth they are called fans that they use to poison their victims.

A. Some 

B. they are called

C. use

D. their

Câu 1: 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

Câu 2: 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 3: We should participate in the movement _________to conserve the natural environment.

A. which organized

B. organizing

C. to organize

D. organized

Câu 4: The proposal seemed like a good idea. The manager refused it.

A. The manager didn't like to proposal because it didn't seem a good idea.

B. Since the proposal seemed like a good idea, the manager refused it.

C. The manager refused the proposal although it seemed like a good idea.

D. The proposal didn't seem like a good idea, so the manager didn't accept it.

Câu 5: If you ________a wallet in the street, what would you do with it?

A. found

B. have found

C. find

D. had found

Câu 6: After David _________ his homework, he went straight to bed.

A. had finished

B. has finished

C. was finished

D. finished