Only when we failed ________ the importance of study.
| A．we realized | B．we had realized | C．did we realize | D．had we realised |
Food and fruit are forbidden in the library, ______ you are allowed to have drinks and sweets with you．
| A．and | B．but | C．so | D．or |
Being ______ highly skilled reader is ______ key to becoming successful in the Information Age．
| A．a; 不填 | B．不填; a |
| C．the; a | D．a; the |
It’s so nice to hear from her again．______, we last met more than thirty years ago．
| A．What’s more | B．That’s to say |
| C．In other words | D．Believe it or not |
--QQ，as a means of communication，is quite popular among us and costs less than the traditional forms．
--______________．
| A．So is WeChat | B．So it is WeChat |
| C．So does WeChat | D．So WeChat is |
-Mum，I always feel everything is unfair to me．
--Complaints in life ________ no sense，for things will be what they should be．
| A．make | B．have made |
| C．will make | D．are making |