Many parents have called head teachers to know ______ their children are getting along well with everything in the school.
Low-carbon life is of great benefit to improve the world environment. _____ can be enjoyed from it until you have a deep understanding of it, though.
—-Computers are becoming more and more important these years.—-Yes. Without them human life quite different.
—-I’m very sorry. I haven’t brought you the pen you lent me yesterday.—-Forget it. You not return it to me as I have got an extra one.
—-Is it possible for us to meet at ten o’clock tomorrow morning?—-Sorry, it is certainly not. I an important meeting then.
.Look out! Don’t get too close to the house ______ the roof is under repair.