- 试题详情及答案解析
- -Someone’s knocking at the door. Is it your mother?
-No, dad. It _____be mom. I saw mom ____in the bedroom just now.| A.must, sleep | B.may, sleeping |
| C.needn’t, sleep | D.can’t , sleeping |
- 答案:D
- 试题分析:句意:有人在敲门。它是你的妈妈吗?不,是爸爸。它不可能是妈妈。我刚才看到妈妈在卧室睡觉。A. must必须, sleep睡觉;B. may可以, C.needn’t不必, D. can’t不可能。See somebody doing是固定短语,看到某人在做某事。据I saw mom ____in the bedroom just now.和题意,故选D。
考点:考查情态动词及非谓语动词。