Câu hỏi: Kevin stopped to buy the evening paper from a news vendor.

A. purchase

B. get

C. sell

D. give

Câu 1: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway

Câu 2: The speaker likes to have an attentive audience.

A. neglecting

B. positive

C. active

D. interested

Câu 3: We know not what is good until we have lost it.

A. find

B. count

C. guess

D. learn

Câu 4: 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 5: One in seven accidents is caused by sleepy drivers.

A. awake

B. unwell

C. exhausted

D. talkative

Câu 6: The plants and animals of the sea fall into three major groups.

A. small

B. chief

C. minor

D. main