—Hi，Torry，can I use your computer for a while this afternoon?
—Sorry.________.
| A．It’s repaired | B．It has been repaired |
| C．It’s being repaired | D．It had been repaired |
Attention, please! And keep ________ when I am taking a photograph of you.
| A．still | B．calm | C．quiet | D．silent |
______ him to do like this, he wouldn’t have made such a serious mistake in his
writing.
| A．Did you persuade | B．Had you persuaded |
| C．If you should persuade | D．If you persuade |
The house is too old. It requires ________.
| A．to repair | B．repairing |
| C．repaired | D．repair |
The mother asked her son________.
| A．what did he do the day before |
| B．where did he find his lost wallet |
| C．what time he got up that morning |
| D．that if he had finished his homework |
After the examination，my teacher told me that failure _______the mother of success.
| A．was | B．is | C．be | D．been |