Câu hỏi: Not everyone realizes that the most largest organ of the human body is the skin.

A. not everyone

B. most largest

C. human

D. is

Câu 1: The Great Pyramid of Giza is said to have built over a 20-year period.

A. of

B. said

C. have built

D. a

Câu 2: John announced that he could not longer tolerate the conditions of the contract under which he was working.

A. announced that

B. not longer tolerate

C. of

D. under which

Câu 3: Little have people done to alleviate the sea pollution caused by the factories in central Vietnam, haven’t they?

A. have people done

B. caused

C. in central

D. haven’t they

Câu 4: Bill is often late for class, which makes his teachers angrily.

A. Bill is often

B. for

C. which

D. angrily

Câu 5: The governor, with his wife and children, are at home watching the election results on TV.

A. his

B. are

C. watching 

D. on TV

Câu 6: Unlike the old one, this new copier can perform their functions in half the time.

A. unlike

B. can perform

C. their functions

D. in half the time