Câu hỏi: We all regard pollution as a.......... matter to human beings.

A. solemn 

B. great

C. serious 

D. huge

Câu 1: All the _______had excellent academic credentials.

A. candidates

B. goverments

C. followers

D. desigers

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

A. situation

B. difficult

C. life-threatening

D. weak

Câu 3: I_______ George on my way home.

A. dropped in on

B. gear up for

C. pair up with

D. look back on

Câu 4: He formerly worked as a machinist_______ in Boeing's Everett assembly plant.

A. appriciate

B. apprentice

C. appraise

D. approach

Câu 5: Teachers complain that more of their time is taken up with _______than with teaching.

A. protection

B. administration

C. architecture

D. article

Câu 6: She finally achieved her_______ of visiting the USA.

A. target

B. objective

C. desires

D. ambition