英语选词填空,最好有解析
can could may might must can’t mustn’t needn’t
1.Please be quiet.The principal _________ have something more to say.
2.The boy will get well soon.You _________ worry about it.
3.We _________ see sounds,but we _________ hear them with our ears.
4.Water _________ be changed into vapour but it _________ be heated to boiling point.
5.I didn’t see him at the lecture.He _________ have attended it.
6.“_________ I drink up the wine in the bottle?” “No,you _________.”
7.You _________ do it if you don’t want to.
8.You _________ smoke in the library.It’s prohibited.
9.You _________ stay at home for a couple of days,because you’ve caught a bad cold.
10.I _________ get up at five tomorrow morning,because I have an essay to write.
11.You _________ be confused by the two girls,because they are so alike.
12._________ you give me a hand?I _________ move the sofa myself.
13.He _________ be a man in his mid-fifties.
14.She _________ have suffered a lot in her childhood.That’s why she is so thrifty now.
15.If he had our phone number,he _________ have given us a phone call last night.