He was so tired that he fell asleep the moment he _______onto the sofa.
| A．dropped |
| B．fell |
| C．slipped |
| D．sank |
13．Subway Line 4，__________into use in September 2009，has made traveling in Beijing easier．
| A．having been put | B．putting | C．being put | D．Put |
12．-Tom，you are smoking again?
- ________? It’s none of your business．
| A．Why not | B．what for | C．So what | D．How come |
11．Some great people said it was their primary school teachers that they were fond of_____influenced their whole lives．
| A．what | B．who | C．as | D．Which |
10．His story of the accident does not make any____________．He is telling a lie．
| A．difference | B．sense | C．excuse | D．Point |
9．It makes his life quite different________he has received higher education abroad．
| A．that | B．which | C．what | D．How |