Câu hỏi: The business was acquired from Orion four years ago.

A. before

B. later

C. ahead

D. last

Câu 1: The plants and animals of the sea fall into three major groups.

A. small

B. chief

C. minor

D. main

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: 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 4: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy

Câu 5: 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 6: It's cool and quiet everywhere except in the kitchen.

A. windy

B. freezing

C. cold

D. hot