Why not ____ your teacher for help when you can't finish _____ the story by yourself?
| A．to ask; write | B．to ask; to write |
| C．ask; writing | D．asking; to write |
I am sorry this coat is not big enough. I want a one.
| A．bigger | B．big |
| C．smaller | D．small |
—Bob, where is Linda?
—She be in the library, but I am not sure.
| A．must | B．may |
| C．need | D．has to |
—Which jacket do you prefer, this one or that one?
—is OK. I don’t care too much.
| A．Both | B．Either |
| C．Neither | D．All |
—Is this red bag yours?
—No, it isn’t. is that black one.
| A．Your | B．I |
| C．My | D．Mine |
Mom, I like green T-shirt. Could you buy it for me?
| A．a | B．an |
| C．the | D．不填 |