Câu hỏi: There is growing concern about the way man has destroyed the environment.

A. attraction

B. worry

C. disinterest

D. careless

Câu 1: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have

Câu 2: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway

Câu 3: How different a picture we now have of the ocean as the sea has begun to reveal its secrets.

A. public

B. opening

C. knowledge

D. schooling

Câu 4: They don't seem particularly worried about the situation.

A. concerned

B. pleased

C. frightened

D. excited

Câu 5: I love it when someone's laughter is funnier than the joke.

A. cry

B. shout

C. smile

D. frown

Câu 6: 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