—You just think of yourself! You kept me wailing for at least three hours． —I’ m sorry that you _____ think so．

Without the air to hold some of the sun’s heat, the earth at night_____very cold, too cold for us to live. 

．—Margaret ______ stay at home all day long in front of the TV.—That’ s right．She ought to go to the fitness center with us.

He ________ the window of our classroom yesterday because he didn’t come to school．           

– Oh. I’ve just realized I haven’t got any money. --Well, don’t worry. I _____ you some.

So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ____ . 

— How could they keep us waiting for so long? — They got on the bus half an hour ago and they ________ be here in ten minutes, I think.

. The movie was totally a waste of time. I ______ just as well have stayed at home.

It is proposed that another meeting _______ to discuss how to give more support to the underdeveloped area.

. He wasted a lot of time playing football, otherwise he ________the exam.

A foreign language like English is difficult to learn, so you ____________ work too hard.

．— Why didn’t you tell me the truth that day? — I _____, but you _____ for Fuzhou when I went to see you．

—Sorry，Mum, I lost my key to the bicycle again． —Oh! How_____ you be so careless! You have to learn to look after your belongings．

—Your boss looks rather a kind person. —But in fact he is cold and hard on us. You ______ believe it!

.________ the warning message, more lives would have been lost in the flood.

--Can I tell my best friend about it? ---No. I don’t want anyone else to know. You _________ let it out. 

No reader ________ take away a book from the library without the permission of the librarian.

．—What’s the matter with the man hanging his head there? —Well, if you _______ know, he was caught stealing my bike.

I’m so surprised that such a clever man as he_________be easily taken in.

. “You ___ not be too careful in the exam. Do and check your papers carefully and you ____ not take your papers out of the examination room after the exam.” the teacher told us before the exam.