题目内容：

单句语法填空

1.Sometimes ________ we do is different from what we say.

2.The brothers’ doubt is ________ Mr. Li can stay out of jail.

3.Miss Yang promised to attend my birthday party, but she hasn't turned ____ so far.

4.The policeman can't have the thief getting away ______ stealing people's money.

5.Sometimes he found ______ very hard to fall asleep at night, so he went to see the doctor.

6._______ (seek) to find out the real cause of the accident was what he was eager to do.

7.She ________(stare) at the sky when she spotted some sparrows flying.

8.The day we looked forward to ________(came) at last.

9.It is hard to imagine how the universe first came into ________(exist).

10.Cycling is highly ____________(benefit) to health and the environment.