[求助]请教GWD-18-Q29

minivicki

26. GWD-18-Q29

The contractor and the engineer agree on the cause of the bridge failure, but both blame the other.

 

1. both blame the other

2. each blames the other

3. each blame the other person
4. both are blaming the other
5. each blames one another

答案是A, 我选了B。

不解。为什么B不对呢？是不是三个以上才能用EACH ? 请NN指教。

minivicki

怎么没人回复阿，nn帮下忙把。

minivicki

没人能回答么？请nn现身帮忙

ilovecushi

http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=205852&replyID=1927207&skin=1