单项选择，从A、B、C中选出最佳的答案。
1）— Would you like some more milk?
— ______.
A. Certainly, I like
B. Yes, please
C. No, I wouldn't
2）It is May Day holiday. _______ shops are still open, but most of them are closed.
A. The B. Some C. Many
3）— I've made some coffee. Would you like _______?
— That would be fine.
A. some B. any C. no
4）— Do you like ______?
— Yes. I prefer to have _______.
A. pets/fishes
B. pets/fish
C. pet/fish