—What’s that noise?
—Oh, I forgot to tell you. The new machine ________.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
If better use is ____ your spare time , you will make greater progress.
| A．used for | B．spent | C．made of | D．taken |
— Did you call on any of your old friends when you returned to your hometown ?
—______ of them . They were all very busy .
| A．Nobody | B．None | C．Both | D．Neither |
It took seven years __________ they finally got married.
| A．since | B．after | C．before | D．when |
The students asked me ____________ going to be held.
| A．when is the meeting | B．when the meeting was |
| C．if was the meeting | D．if the meeting is |
In the past month, cruel snowstorms hit some European countries and America ,great transportation problems in these countries.
| A．causing | B．caused | C．to cause | D．having caused |