当挖方路基上边坡发生的滑坡不大时，为达到路基边坡稳定可进行处理，以下不能采用的方法是()。

A．刷方(台阶)减重

B．打桩

C．修建挡土墙

D．强夯

用所给词的适当形式填空。

1. What              (发生) now?

2. They help              (互相) in their class.

3. He              (认为) the ball was too heavy.

4. Did you             (过的愉快) today?

5. He             (教) us              (扔、投) the ball at the net yesterday.

6. My mother             (买) a blouse for me last Saturday.

7. How many              (队员) are there in one team?

8. Where did you              (去)?

9. He writes              (用) a pencil.

10. I want to learn              (驾驶) a car.