Bộ 5 đề thi cuối kì 2 Tiếng Anh 9 Global Success có đáp án - Đề 1

These powerful engines (3) __________ the rocket to overcome two strong forces: earth’s gravitation pull and air resistance.

12/33

These powerful engines (3) __________ the rocket to overcome two strong forces: earth’s gravitation pull and air resistance.

make

let

do

help

Giải thích

D