Câu hỏi: 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 1: 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 2: She had a cozy little apartment in Boston.

A. uncomfortable

B. dirty

C. lazy

D. warm

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: At times, this can be risky, and the keepers have been injured and one has been killed.

A. good

B. useful

C. healthy

D. secure

Câu 5: Fish only species that are not of concern, threatened or endangered.

A. educated

B. healed

C. defended

D. brought

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