Câu hỏi: All the _______had excellent academic credentials.

A. candidates

B. goverments

C. followers

D. desigers

Câu 1: He had a new heart valve _______.

A. added

B. supplanted

C. improved

D. implanted

Câu 2: This_______disease caused a lot of complications during the treatment procedure.

A. situation

B. difficult

C. life-threatening

D. weak

Câu 3: The society was set up to______ endangered species from extinction.

A. prevent

B. distinguish

C. preserve

D. survive

Câu 4: Teachers complain that more of their time is taken up with _______than with teaching.

A. protection

B. administration

C. architecture

D. article

Câu 5: You need to_______ the numbers properly in a column.

A. align

B. check

C. draw

D. write

Câu 6: The_______ of living here, of course, is that it is expensive.

A. glorious

B. athletic

C. strategy

D. downside