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

A. awake

B. unwell

C. exhausted

D. talkative

Câu 1: We know not what is good until we have lost it.

A. find

B. count

C. guess

D. learn

Câu 2: Last night they stayed at home and watched TV.

A. day

B. noon

C. midnight

D. morning

Câu 3: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have

Câu 4: Fish only species that are not of concern, threatened or endangered.

A. bettered

B. born

C. safeguarded

D. taught

Câu 5: The business was acquired from Orion four years ago.

A. before

B. later

C. ahead

D. last

Câu 6: Some couples see single women as a threat to their relationships.

A. married

B. lonely

C. divorced

D. alone