Câu hỏi: About 95% of all animals are invertebrates which can live anywhere, but most, like the dtarfish and crab, live in the ocean.

A. with backbones

B. with ribs

C. without ribs

D. without backbones

Câu 1: The US troops are using much more sophisticated weapons in the Far East.

A. difficult to operate

B. expensive

C. complicated

D. straightforward

Câu 2: Maureen usually felt depressed on Mondays, because she never got enough sleep on the weekends.

A. unhappy

B. affluent

C. glum

D. understanding

Câu 3: There is growing concern about the way man has destroyed the environment.

A. reduce

B. attraction

C. consideration

D. speculation

Câu 4: I am afraid I haven’t allowed him enough initiative, said Father Payne, that’s a bad habit of mine.

A. determination

B. encouragement

C. beginning

D. cowardice

Câu 5: The soliders will do anything to halt the enemies from entering.

A. stop

B. start

C. keep on

D. kill

Câu 6: At the managers' meeting, the group decided against the new project as a viable option and decided on another direction to ensure success for the company's fall line.

A. impractical

B. feasible

C. practical

D. positive