1．—These days，he has stayed up late into night in order to get good marks in the following monthly test.
—It's no wonder that he seems tired and asleep in class every day.
2．(天津卷)I think watching TV every evening is a waste of time—there are more meaningful things to do.
3．We have asked the neighbors to keep an eye on the house for us while we are away.
4．If you think too much about the past, you will never be able to focus on what is more important for now and the future.
5．Twenty students want to attend the class that aims to_teach (teach)them how to read fast.
6．Good Heavens！How could you stand by and allow such a terrible thing to happen!
7．Getting your students involved (involve)in classroom activities is vitally important for their future development.
8．A sheep feeding (feed)on this kind of special grass usually grows much faster than one on ordinary.
