Câu hỏi:  I cannot undo the _____ in this piece of string.

A. bunch

B. lock

C. knot

D. tie

Câu 1:  Because of the poor harvest, wheat prices have ______ in the last six months.

A. added

B. jumped

C. amounted

D. gathered

Câu 2: You can _____ your shorthand ability by taking notes in shorthand during lectures.

A. keep on

B. keep in

C. keep up

D. keep back

Câu 3:  I should like to ______ touch with old friends but I have so little time.

A. be out of

B. be in

C. keep in

D. lose

Câu 4: The businessman proved to be an apparently well-behaved ______ middle-aged man.

A. offensive

B. unoffending

C. inoffensive

D. innocent

Câu 5: When he makes a _____ by car, he takes his family with him.

A. course

B. passage

C. voyage

D. journey

Câu 6: He hit the other boxer so hard that he broke his lower ______.

A. chin

B. wrist

C. shoulder

D. jaw