These are two ____ and three ____.
| A．boxes; buses | B．box; buses |
| C．boxes; bus | D．box; bus |
-Who’s that man riding along the street. Is it Tom?
-It ______ be Tom. I saw him in the library just now.
| A．must | B．may |
| C．can’t | D．shouldn’t |
Why not _____ your friend for help when you can’t finish ______ it by yourself?
| A．ask, write | B．to ask, writing |
| C．asking, write | D．ask, writing |
You are too late, the meetingfor 30 minutes.
| A．has begun | B．has been on |
| C．began | D．had begun |
My teacher asks me tothe poster on the wall.
| A．put off | B．put up |
| C．put on | D．put down |
—Would you like some more noodles?
—. I like noodles very much.
| A．No, thanks | B．Yes, I would |
| C．Only a little | D．Just a few |