—The poor people lived near the highway.—_____ very noisy.A．It must have beenB．T

题型：不详难度：来源：

—The poor people lived near the highway.

—_____ very noisy.

A．It must have been

B．They must be

C．That might be

D．There must be

答案

解析

根据句子的时态应该是过去时，因此排除B、D，再根据代词的用法，it可以用来指代环境，而that不行，因此选A。

举一反三

He _____ his parents that he has failed in the exam.

A．dares not tell

B．dares not telling

C．dare not tell

D．dares not to tell

题型：不详难度：| 查看答案

Messages ______ be changed from sound into electricity before they ______ be sent by radio.

A．must; will

B．have to; can

C．can; must

D．need; may

题型：不详难度：| 查看答案

The whole building _____ burned down, but the heavy rain _____.

A．might have; would help	B．could have been; helped	C．must have; helped
D．should have been; was helping

题型：不详难度：| 查看答案

—Many people in England love to give advice on weather reporting.

—Yes, but I think the weather office’s computers _____ be more accurate.

A．can

B．must

C．ought to

D．might

题型：不详难度：| 查看答案

—Well, I forgot to bring my dictionary here yesterday.

—Actually you _____ it here. You were not allowed to use it.

A．needn’t bring	B．needn’t have brought
C．didn’t need to bring	D．don’t have to bring

题型：不详难度：| 查看答案