用所给单词的适当形式填空。

1. I'd love _____ (go) shopping with my mother.

2. My mother ______ (have) to do housework in the evening.

3. Thank you for _____ (help) me with my English.

4. —What _____  you _____ (do) now?

    —I _____ _____ (make) cake for my birthday.

5. Paul can't _____ (go) to the party.

6. How _____ you _____ (spend) your last weekend?

7. The day after tomorrow I _____ (go) to the mountains.

8. —Can she go to the baseball game this moming?

    —No, she can't. She _____ (have) a computer lesson.

9. Please _____ (not talk) to Jim. He is doing his homework.

下面现象中，由于惯性的是

A．自行车从斜坡顶沿斜坡向下运动，速度不断增大

B．房间里的家具，没人搬动总留在原处

C．汽车刹车后速度减慢，最后停下来

D．篮球离开手后，在空中做曲线运动