3 . 用方框内短语的适当形式填空

let off steam; in a mess; let down; take a breath; be crazy about; apologise to

1. The classroom was________after we held a farewell party for our foreign teacher.
2. I think you should ________your elder brother first. After all, you used his computer without permission.
3. Tom is determined to work hard this term, for he doesn’t want to ________his parents ________again.
4. My cousin usually ________by going for a bicycle ride when he feels depressed.
5. A swimmer can’t swim under water very long, because he must ________.
6. I began to________English when I was a little girl.