问题

The school bus picks up thestudents ________ the morning.

A:by
B:to
C:on
D:in

正确答案是：

同类题型

If I’m mistaken, _____ you are mistaken too

Mr. Black isn’t here. He ________ toChongqing.

Sarah pretended to be cheerful, _____ nothing about the argument.

Many festivals are held _______ our ancestors for their contribution to the world