1、.用适当的情态动词填空1The problem is hard to solve. _ the professor come at once to help us?2No one _ be more generous than he; he has a heart of gold.3We _ call Tim before we visit his house; he might not be at home.4_ joy and health be with you always.5From the experiment, we can know that fish _ die out of
2、 water.6Lets go for a walk after supper, _ we?7It _ be the vocabulary that caused you the problem in the exercise because you know a lot of words.8When I passed my school, I _ visit my teachers who once taught me.9If you _ smoke, please go outside.10You neednt take an umbrella. It isnt going to rain
3、.Well, I dont know. It _ do.答案1.Shall/Will2.can/could3.should4.May5will6.shall7.couldnt8.would9.must10might.完成句子1. _ for 6 minutes?你能屏住呼吸坚持六分钟吗？2You _ your composition last week.你本该上周就交上作文的。3She _ the table, for the table is very clean.她一定擦了桌子，因为桌子很干净。4She _ others.她过去常开别人的玩笑。5The game is over and h
4、e _ .比赛结束了，他应该是在家。6We _ the old people.我们一定不要嘲笑老年人。7Without his hard work, he _ .如果没有他的努力工作，他是不可能成功的。8He is not in the classroom. _ he _ to the library?他不在教室。他有可能去了图书馆吗？答案1.Can you hold your breath2should have handed in3must have wiped4used to play a trick on5should be at home6mustnt laugh at7wasnt able to succeed8Can; have gone
