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

A. is

B. safeguarding

C. preservation

D. nature

Câu 1: Please tell us the reason when he left without saying goodbye.

A. tell

B. when

C. left

D. saying

Câu 2: He was very surprised when he visited London, in that the drivers always drive on the left hand side of the street.

A. very surprised

B. when

C. in that

D. on

Câu 3: 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

Câu 4: The deadbolt is the best lock for entry doors because it is not only inexpensive but installation is easy.

A. the best

B. because

C. not only

D. installation is easy

Câu 5: Slowly and with care, the museum director removed the Ming vase from the shelf and placed it on the display pedestal.

A. with care

B. from

C. placed

D. the display pedestal

Câu 6: Spell correctly is easy with the aid of a number of word processing programs for personal computers.

A. Spell

B. correctly

C. word processing

D. computers