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

A. catch

B. hold

C. take

D. have

Câu 1: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway

Câu 2: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy

Câu 3: Fish only species that are not of concern, threatened or endangered.

A. bettered

B. born

C. safeguarded

D. taught

Câu 4: 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

Câu 5: Be quiet or you'll wake the whole house!

A. still

B. noisy

C. peaceful

D. tranquil

Câu 6: One in seven accidents is caused by sleepy drivers.

A. awake

B. unwell

C. exhausted

D. talkative