Lucy, it's too hot. Put the fish in the fridge, or it will _______ bad.[ ]

A. change 

B. feel

C. keep

D. go

根据句意及首字母，完成下列单词

1. Let's eat soon. I'm h______.

2. There is a supermarket b______ the post office and the school.

3. He studies hard to i______ his English.

4. Good b______ is half done, so I should work hard in the new school.

5. The bank is o______ twelve hours every day.