用所给单词的正确形式填空。

1. How ____ (be) your mother?

2. My brother ____ (love) that fat monkey. It's very funny.

3. Please choose one number ____ (call).

4. I can ___    (have) my dinner now.

5. I've           (get)a bad cough.

6. This is Helen ____ (speak).

7. What's wrong with ____ (it)?

8. They ____ (stay) in bed now.

某县原计划用若干天完成120亩荒地的绿化任务．为了加快进度，实际每天比原计划多绿化3亩，结果比原计划提前2天完成，求原计划用多少天完成？