Câu hỏi:  She looked every where for her book but ______ had to return home without it.

A. lastly

B. at the end

C. in the end

D. at the last

Câu 1:  I’m sorry I’m late, I was held up in a traffic _______.

A. block

B. crush

C. jam

D. group

Câu 2: Shut the window and _____ the cold _______.

A. keep … in

B. keep … out

C. keep … down

D. keep … behind

Câu 3: During the _____ the audience strolled and chatted in the foyer.

A. gap

B. pause

C. space

D. interval

Câu 4: You couldn’t ______ any secrets even for an hour in that little town.

A. keep

B. get

C. learn

D. hear

Câu 5:  I cannot undo the _____ in this piece of string.

A. bunch

B. lock

C. knot

D. tie

Câu 6: The police had to _____ the crow ______.

A. keep … to

B. keep … under

C. keep … back

D. keep … on