问题

It is required that each of the studentschosen _____ good preparations ahead of time.

A:has to make
B:will make
C:should make
D:must make

正确答案是：

同类题型

I wonder if your brother likes to play football. If he does, so _______ mine.

You can never be ________ when crossing thestreet.

Into the sky______the light blue smoke.

My bike isLucy’s.

Would you mind taking some photos for us–Certainly not. It’s a piece of cake.