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

A. bettered

B. born

C. safeguarded

D. taught

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

A. concerned

B. pleased

C. frightened

D. excited

Câu 2: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have

Câu 3: I feel that learning English will help my chances of promotion at work.

A. improve

B. minimize

C. widen

D. facilitate

Câu 4: We know not what is good until we have lost it.

A. find

B. count

C. guess

D. learn

Câu 5: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy

Câu 6: Be quiet or you'll wake the whole house!

A. still

B. noisy

C. peaceful

D. tranquil