用所给词的适当形式填空。

1. By the time I got to the bus stop, the bus had already _______ (leave).

2. They _______ (make) a lot of friends since they came to our school.

3. She was so ________  (embarrass) that he didn't know what to say at the moment.

4. They have been _______ (marry) since eight years ago.

5. That's the ________ (end) of the story.

6. The mice all _______ (flee) away when the cat appeared.

7. We _______(learn) eight units by the end of last week.

8. It is three years since he ________ (leave)

9. My sister _______ (watch) TV when I ________ (get) home yesterday.

10. Keep quiet. Dad _______ (listen) to the news now.