The most important thing is to keep _____ when you get into difficulties.
| A．quiet | B．calm | C．still | D．silent |
There is still a lot for Chinese Women’s volleyball team to improve _____ they have obtained a string of wins.
| A．now that | B．as if | C．even though | D．given that |
To my surprise, I hurried to the lecture hall only ______ that the lecture had been cancelled.
| A．to be informed | B．being informed | C．to inform | D．informing |
--- Hey, Mary, your backpack looks nice. When did you buy it.
--- I ____ it for two weeks.
| A．had | B．bought | C．have had | D．have bought |
Why do you insist on buying a car ______ you have such good public transportation here?
| A．because | B．unless | C．when | D．though |
The owner still doesn’t know _______ broke into the house and stole the money.
| A．when it was that | B．who it was that | C．who was it that | D．when was it that |