用括号内所给单词的适当形式填空。

1. A reporter announced that all the spaghetti across the country had been________ (buy).

2. I'm sorry I_____ (break) your window just now and here's the money.

3. They had______ (flee) from the building when the earthquake took place.

4. It was such an________ (embarrass) moment that they didn't know what to say.

5. We__________ (learn) three thousand English words by the end of last term.