What’s wrong __________ you?-I have pains in the eyes.[ ]

There is _____ “s” and _____ “u” in _____ word “bus”.

I must be off at once. I’m late.— You ______ to the school because today is Sunday..

Lucy had few close friends. So she didn’t know ________ about the trouble.

Excuse me. I want to buy some stamps. Where can I find a post office?—I know _______ is not far from here. You can easily find _______.