1 . —Peter, where did you guys go for the summer vacation?(根据汉语提示完成句子)
—We _____ _____ _____ _____ (忙于) our work for months, so we went to the beach to relax ourselves. (根据汉语提示完成句子)

2 . 后悔你做过的事情是没有用的。(根据汉语提示完成句子)
It's no use___you have done.

3 .
1. ______(抽象的) paintings don’t appeal to me much.
2. My mother is called Anna, and by_______(巧合) my wife’s mother is also called Anna.
3. Pisces(双鱼座) is the most_______(灵活的) of all the star signs.
4. You must practise for a _______(最小值) of 30 minutes every day.
5. It’s a pity that he doesn’t have enough money to_______(赞助) the project.
6. The new law is aimed at_______(加强) protective measures for workers.
7. It is_______(非法的) to drive when you are drunk.
8. Many natural_______(现象) remain to be explored.
9. On_______(平均) we would be spending￥300 every day.
10. We wanted each student to realize their full_______(潜力).