How long do you think it will be ______ another e-commerce giant comes out to exceed Alibaba?
| A．when | B．before | C．since | D．until |
My daughter hasn’t been in touch with me for two months，and I wonder what has____her．
| A．become of | B．appealed to | C．gone against | D．taken over |
—Mum, can I listen to music while doing homework?
— Don’t even think about it._____.
| A．The more you get, the more you want |
| B．Eye for eye and tooth for tooth. |
| C．A man cannot whistle and drink at the same time. |
| D．A bad beginning makes a bad ending |
Evelyn is supposed to attend church soon, but nobody is sure whether she or not.
| A．does | B．is | C．had | D．will |
—Pick, I did very well in the maths exam last week.
—Congratulations, Jim! And I did _____. I got a full mark and 20 extra points.
| A．no better | B．not better | C．no worse | D．even worse |
The college education system should be reformed ______ it can follow the pace of the
economic development. 
| A．so long as | B．so that | C．only if | D．even though |