8.The theory they had stuck to for many years proved wrongly.

7.You’d better wear a pair of sunglasses in order to protect you in sunlight.

6.These flowers they planted last week died for lack water.

5.The former president said the relation between these two countries needed improve.

4.Suddenly there was a terrible voice from a girl later at night.

3.This is the best gift for her in her birthday party.

2.The door is closed.There is nothing to do but to wait for Mother.

1.It was 10 o’clock that he received the letter from his girlfriend.

10.To improve our English，we must practice ______(read)every morning.

单句改错

下列句子均有一处错误(或多一词；或缺一词；或错一词)，请找出并加以改正。

9.We must do everything we can to keep the river from ______(pollute).