We _______ each other since I came to Changsha, but we often send emails.
| A． |
haven’t seen |
B． |
didn’t see |
C． |
don’t see |
—We'll go to visit Chengdu next week.
—_____
| A．It's hard to say. | B．Thank you. |
| C．How time flies! | D．Have a good trip! |
It ______ forty-five minutes ______ there by bus.
| A．cost; to get | B．takes; getting |
| C．takes; to get | D．takes; to get to |
---- why not swim in the river?
---oh, no. our teacher told us _____ here. It’s dangerous.
| A．will swim | B．will not swim |
| C．to swim | D．not to swim |
I can’t swim. And she can’t, _______.
| A．too | B．also |
| C．but | D．either |
I was doing my homework _______ a dog came in.
| A．when | B．while |
| C．as | D．At |