问题

There is growing _____ among the public about the safety of school buses after many accidents.

A:experience
B:chance
C:concern
D:purpose;

正确答案是：

同类题型

There _______ a pen on the desk. It is a black pen.

I don’t like traveling by air _____ you usually have to wait for hours before the plane takes off.

______should not be______to go out at night.

.China has a well-known ballet which is called_____.

What do you think of the news—I don’t mind ___________.