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

A. bunch

B. lock

C. knot

D. tie

Câu 1: He has always gone _____ strange hobbies like collecting bottle-tops and inventing secret codes.

A. into

B. by

C. in for

D. through

Câu 2: When he makes a _____ by car, he takes his family with him.

A. course

B. passage

C. voyage

D. journey

Câu 3: You couldn’t ______ any secrets even for an hour in that little town.

A. keep

B. get

C. learn

D. hear

Câu 4:  Because of the poor harvest, wheat prices have ______ in the last six months.

A. added

B. jumped

C. amounted

D. gathered

Câu 5: The police had to _____ the crow ______.

A. keep … to

B. keep … under

C. keep … back

D. keep … on

Câu 6: During the _____ the audience strolled and chatted in the foyer.

A. gap

B. pause

C. space

D. interval