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

A. small

B. chief

C. minor

D. main

Câu 1: 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 2: They don't seem particularly worried about the situation.

A. concerned

B. pleased

C. frightened

D. excited

Câu 3: The speaker likes to have an attentive audience.

A. neglecting

B. positive

C. active

D. interested

Câu 4: I feel that learning English will help my chances of promotion at work.

A. improve

B. minimize

C. widen

D. facilitate

Câu 5: The wise man has long ears and a short tongue.

A. short

B. prolonged

C. high

D. crooked

Câu 6: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have