题目：
用所给动词的适当形式填空。
1. I prefer (be) in the countryside for a relaxation.
2. Malls are usually very_____ (crowd) on the weekends.
3. Let's go and see what is __ (happen) there.
4. I spent a lot of money_____(buy) CDs last Sunday with my brother.
5. There is a bank on the __ (two) store.You can take the escalator to it.
答案：
1. being 2. crowded 3. happening 4. buying 5. second
