题目：
用所给词的适当形式填空。
1. We are trying our _____(well) to make the city more beautiful.
2. Are you interested in _____(pay) a visit to Paris?
3. The children_____ (watch) TV when their mother came in.
4. Disease can often make you _____(worry).
5. Why won't you_____ (plant) some flowers around your house?
答案：
1. best 2. paying 3. were watching 4. worried 5. plant
