新PREP2-175

moonwest

Because of wireless service costs plummeting in the last year, and as mobile phones are increasingly common, many people now using their mobile phones to make calls across a wide region at night and on weekends, when numerous wireless companies provide unlimited airtime for a relatively small monthly fee.

1. Because of wireless service costs plummeting in the last year, and as mobile phones are increasingly common, many people
   

2. As the cost of wireless service plummeted in the last year and as mobile phones became increasingly common, many people
   

3. In the last year, with the cost of wireless service plummeting, and mobile phones have become increasingly common, there are many people
   

4. With the cost of wireless service plummeting in the last year and mobile phones becoming increasingly common, many people are
   

5. While the cost of wireless service has plummeted in the last year and mobile phones are increasingly common, many people are

E为什么不对呢

D里的BECOMING看着怎么这么别扭呢

songlovegt

这是一道gwd 上众位大牛争论了多年的题，原来倾向选 E
D becoming 和 plummeting 结构对等
E 的问题可能在 while 吧？

gwd 9-3  
http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=56163&page=2

    

http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=63071&page=1

    

http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=76995&page=2

    

http://forum.chasedream.com/dispbbs.asp?boardid=23&id=85303&star=1#85303