1.Lately they have been going over their lessons in the reading room.
2.One cannot avoid making mistakes throughout his lifetime,but he ought to make as few mistakes as possible.
3.You did not inform him of where the meeting would take place,did you?
4.We are determined to and capable of building our country into a powerful one.
5.There are all kinds of books in our school library.
6.Everyone longs for success,but you can't expect that over a short time.
7.In the Spring Festival Eve,many Chinese people stay up until mid-night to receive a new year.
8.It's very cold today.You'd better put on more clothes in case it gets cold.
9.Many helpful people lent a hand to that deathly sick child.
10.With the rapid development of economy,China is playing a more and more important role in international affairs.