Câu hỏi: Conservation is the safeguarding and preservation of nature resources.

A. is

B. safeguarding

C. preservation

D. nature

Câu 1: In spite of my father is old , he gets up early and does morning exercise.

A. In spite of

B. is

C. gets up

D. does morning exercise

Câu 2: When a patient's blood pressure is much higher than it should be, a doctor usually insists that he will not smoke.

A. much

B. than it

C. should be

D. will not

Câu 3: Unless there had been a heavy storm, the climbers will not have died.

A. Unless

B. had been

C. heavy

D. will

Câu 4: Today's job seekers are confronted with such question as "Are you computer literate?" and "Can you set up a data base?"

A. job

B. confronted

C. such question

D. set up

Câu 5: Jason’s professor had him to rewrite his thesis many times before allowing him to hand it in.

A. had

B. to rewrite

C. many times

D. allowing

Câu 6: Despite America’s affluence, many people are without jobs, on welfare, and have a lot of debts.

A. Despite

B. without jobs

C. on welfare

D. have a lot of debts