A small stone struck the windshield while we _______ down the gravel road.
A. drive
B. were driving
C. had driven
D. had been driving
Đáp án: B
Giải thích: Một hòn đá nhỏ đập vào kính chắn gió trong khi chúng tôi đang lái xe trên con đường rải sỏi.
________ my experience, very few people really understand the problem.
In the next few year, thousands of speed cameras ________ on major roads.
I don't like that man. There is a sneaky_________ look on his face.
She made a big ________ about not having a window seat on the plane.