一Be careful , you will make mistakes in your exams.
—I know that，Mum. One can never be too careful.
| A．and | B．or | C．nor | D．but |
Only when the work is done ，___________ be able to go back home.
| A．you have | B．you will |
| C．will you | D．have you |
—I prefer. __________ with a pen to________on the computer because I type so slowly.
—So do I．
| A．write; typing | B．to write, type |
| C．writing; type | D．writing; typing |
The newspaper says if more underground lines________ next year,it will be much easier for people to travel around Nanjing.
| A．will be finished | B．have finished |
| C．are finishing | D．are finished |
—Excuse me, may I take a seat here?
—________. The man on the seat has left.
| A．You'd better not | B．No, thanks |
| C．Yes, please | D．I'm afraid not |
—What did you say just now?
—I asked __________.
| A．that I could open the door |
| B．how I could open the door |
| C．how could I open the door |
| D．could I open to the door |