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

A. bunch

B. lock

C. knot

D. tie

Câu 1: Shut the window and _____ the cold _______.

A. keep … in

B. keep … out

C. keep … down

D. keep … behind

Câu 2: He has always gone _____ strange hobbies like collecting bottle-tops and inventing secret codes.

A. into

B. by

C. in for

D. through

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:  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 5: ______ of money prevented us from taking a holiday this year.

A. Limit

B. Freeze

C. Emptiness

D. Lack

Câu 6: Her mother had asked her to do several ______ before she went out.

A. labours

B. works

C. travels

D. jobs