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

A. added

B. jumped

C. amounted

D. gathered

Câu 1: The businessman proved to be an apparently well-behaved ______ middle-aged man.

A. offensive

B. unoffending

C. inoffensive

D. innocent

Câu 2: You couldn’t ______ any secrets even for an hour in that little town.

A. keep

B. get

C. learn

D. hear

Câu 3:  The us eof plastics for shoes _____ of leather has ruined shoe repairing as a business.

A. although

B. as well

C. instead

D. outside

Câu 4: During the _____ the audience strolled and chatted in the foyer.

A. gap

B. pause

C. space

D. interval

Câu 5: Her mother had asked her to do several ______ before she went out.

A. labours

B. works

C. travels

D. jobs

Câu 6:  I cannot undo the _____ in this piece of string.

A. bunch

B. lock

C. knot

D. tie