问题

He said that he would write to us but so far we ___________ from him.

A:didn’t hear
B:haven’t heard
C:shouldn’t have heard
D:hadn’t heard

正确答案是：

同类题型

Gun control is a subject ________ Americans have argued for a long time.

I feel very lucky, because what I’ve accomplished in sports is ________ my wildest dreams.

We once worked for ten years without finding anything,but we decided to stick with it.Now our patience has________.[ ]

nage objects to Tom’s joiningthe club, we shall accept him as a member.

Why _____ you always interrupt me?