Question

---Did you have fun ______ on your last day off?
---No, I didn’t. there were too many people and it was really crowded.

1. A.
   shop
2. B.
   shopping
3. C.
   to shop
4. D.
   shopped

Answer 1

B
考查词组：have fun （in）doing“干什么很有趣”，句意是：你休假的时候购物愉快吗？不，人太多，真是太挤了。选B。