题目内容
Why is so silent in the room? He _________asleep in the room
- A.should be
- B.must be
- C.must have been
- D.should have been
B
考察情态动词。Should意思是应该，must 一定必须。后面接完成时态，表示对已经完成的的动作进行推断。根据题意，房间没为什么如此安静？他一定是在房间内睡着了。到现在还没醒故选B。
考察情态动词。Should意思是应该，must 一定必须。后面接完成时态，表示对已经完成的的动作进行推断。根据题意，房间没为什么如此安静？他一定是在房间内睡着了。到现在还没醒故选B。
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Why is so silent in the room? He _________asleep in the room.
| A．should be | B．must be | C．must have been | D．should have been |