Câu hỏi: The waste water from bath, showers, sinks and_______, and rainwater can be collected in a tank.

A. linguistic

B. official

C. dishwasher

D. operate

Câu 1: All the _______had excellent academic credentials.

A. candidates

B. goverments

C. followers

D. desigers

Câu 2: The society was set up to______ endangered species from extinction.

A. prevent

B. distinguish

C. preserve

D. survive

Câu 3: Because of people’s______ with the environment, many kinds of plants and animals are becoming rare.

A. supply

B. survival

C. influence

D. interference

Câu 4: This_______disease caused a lot of complications during the treatment procedure.

A. situation

B. difficult

C. life-threatening

D. weak

Câu 5: He had a new heart valve _______.

A. added

B. supplanted

C. improved

D. implanted

Câu 6: Gavin_______ the idea of dividing the rooms in half.

A. get on with

B. pave the way

C. keep an eye on

D. come up with