Câu hỏi: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway

Câu 1: Be quiet or you'll wake the whole house!

A. still

B. noisy

C. peaceful

D. tranquil

Câu 2: It's too far to ride to your grandmother's; you'd better take the bus.

A. remote

B. near

C. fast

D. besides

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

A. bettered

B. born

C. safeguarded

D. taught

Câu 4: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have

Câu 5: 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 6: Man alone is born crying, lives complaining, and dies disappointed.

A. together

B. lonely

C. altogether

D. total