--Don't touch my computer when I'm away, OK?
--Sorry, .
| A．I won't | B．I can't | C．I don't | D．I'm not |
-I can’t go with you today. There will be a test tomorrow.
- ______. Maybe next time.
| A．It doesn't matter | B．My pleasure |
| C．I don’t think so | D．You are welcome |
Be more careful this time, ______ you’ll make the same mistake again.
| A．and | B．or | C．so | D．but |
What a lovely present the old lady has received for her ______ birthday!
| A．eighteen | B．eighty | C．eighteenth | D．eightieth |
—Hello, may I speak to John, please?
—.
| A．Who are you? | B．What's the matter? |
| C．This is John speaking. | D．He is John. |
Please turn to page and look at the picture in this unit.
| A．twentieth; one | B．twenty; one | C．twentieth; first | D．twenty; first |