----Sorry, Bill, I can’t go fishing with you tomorrow.
---- _________.
| A．No problem | B．Never mind |
| C．You’re welcome | D．That’s all |
Yesterday I took Tom’s schoolbag .
| A．in mistake | B．by mistake |
| C．with mistake | D．for mistake |
We should do what we can our environment.
| A．protect | B．be protected |
| C．protected | D．to protect |
I don’t think he is an honest boy, ?
| A．do I | B．isn’t he |
| C．is he | D．don’t I |
Waste paper shouldn’t everywhere. We must keep our school clean.
| A．have thrown | B．throw |
| C．be thrown | D．be throwing |
Please check your paper to there are no mistakes.
| A．think of | B．find out |
| C．look up | D．make sure |