—How about singing songs with me?—I’m sorry I can’t. I help my father with his work. A. have to B. can C. may
— _______the door, please. —Come in please. The door _______.
Mr. Wang is going to meet Kitty and _____ at the school gate tomorrow morning.
—Let me help you carry the box. —No, thanks. It’s big, __________ there is nothing in it.
We should ________ ‘Thank you’ when we borrow something from someone.
— How many ____________ can you see in the kitchen? —Three.