问题

It is suggested that some skills teachers ________ to teach the children in these mountainous areas

A:must be sent
B:be sent
C:should send
D:should send for

正确答案是：

同类题型

Veryfew_________hisaddressinthetown.

Jenny hasn’t come yet.—How strange! She _____.[ ]

You may find the key to the maths problem on page 107—Ah, it’s so simpleI wonder why I ________ of that

You didn’t wait for Mr. Black last night, did you——No, but we ____. He didn’t return home at all.

His mother hearn some money on his own.