Câu hỏi: The plants and animals of the sea fall into three major groups.

A. small

B. chief

C. minor

D. main

Câu 1: One in seven accidents is caused by sleepy drivers.

A. awake

B. unwell

C. exhausted

D. talkative

Câu 2: The wise man has long ears and a short tongue.

A. short

B. prolonged

C. high

D. crooked

Câu 3: At times, this can be risky, and the keepers have been injured and one has been killed.

A. good

B. useful

C. healthy

D. secure

Câu 4: Some couples see single women as a threat to their relationships.

A. married

B. lonely

C. divorced

D. alone

Câu 5: It's cool and quiet everywhere except in the kitchen.

A. windy

B. freezing

C. cold

D. hot

Câu 6: Advanced students need to be aware of the important of collocation.

A. of high level

B. of great important

C. of low level

D. of steady progress