Too many factories dispose ________ their waste by pumping it into rivers and the sea.

8/50

Mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the followingquestions.

out

away

off

Giải thích

Đáp án B

- to dispose of sth = to get rid of sth: vứt bỏ (rác thải).

Ex: an incinerator built to dispose of toxic waste: lò đốt rác chế tạo để xử lí rác thải độc hại.

- waste (n): đồ thừa, đồ thải.

Ex: household/ industrial waste.

- pump (v): bơm ra, thải.

Ex: The fire department is still pumping floodwater out of the cellars.