3.--- Tom, Mary can’t sharpen the pencil. Can you give 　　　　a hand?　 　　

--- Certainly.　

A. she　　　　　　　　 B. her　　　　　　　　　　　　　 C. hers　　　　　　　　　　　　 D. herself

2.　　　　 camera is not so expensive as　　　　　 ,but it works well, too.

　　 A, My; his　　　　 　　　 B. Mine; him　　　　 C. My; him　　　　 　　　　　　　 D. Mine; his

It is nice of you to come to see me.你能来看我真好。

It is dangerous for children to play with fire.对小孩儿来说玩火是危险的。

[语法过关]

1.When Yang Liwei came back from space, many reporters interviewed ________ and got some first-hand information.　

A. he　　　　　　　　　　 B. him　　　　　　　　　 C. his　　　　　　　　　　 D. himself

It's true that I may fall behind the other students.我真可能落在别的学生后面。

It's a good idea to go out for a walk. 出去散步是个好主意。

It seemed that our team was going to win. 我们队看起来好像要赢了。

It is / has been four days since I caught a cold. 我感冒已四天了。

It is / has been two weeks since we met last. 自从我们上次见面以来已过了两周。

It's your turn to be on duty tomorrow. 明天轮到你值日了。

It takes twenty minutes to go to school by bike. 骑自行车上学要花二十分钟的时间。

It took me a week to finish reading the book. 我花了一周时间读完这本书。

It's time for supper ／to have supper.该吃晚饭了。

It's time for us to go to school我们该去上学去了。