1. There is no need students to go to those after-school classes on weekends.

   A. to   B. for

   C. of   D. with

5. Parents should spend much time (talk) with their kids.

3. Do you mind (open) the windows?

4. I don't have enough money (buy) clothes for myself.

2. I think every student should do their part in (keep) the classroom clean and tidy.

1. Last year he usually felt bored with his study and his grades (drop) .

② 你朋友越多，你就越快乐。

 friends you have, you will be.

① 一Can you tell me why you learn English so well?

—It's very simple. you work,grades you will get.

   A. The harder;the best

   B. The hard;the better

   C. Harder;better

   D. The harder;the better

② He didn't come he was busy.

   A. but   B. and   C. so   D. since

① 一How long have you learned English?

--.

   A. In 2001   B. Since 2001

   C. Two years ago   D. Since over two years

The parents provide food and clothes for their children.(改为同义句) 

The parents their children food and clothes.