几道英语填空疑问

题目

几道英语填空疑问
为什么这么选
1.he left a good impression on me __B__ i saw him.
A.for the first time B.the first time C.first time D.it is the first time
2.Don'trespond to any e-mails __C__personal information,no matter how official the look.(为什么不选B)
A.searching B.asking C.requesting D.questioning
3.John!is this bag yours?
yes.it is the same bag __C__ i lost yesterday.(为什么不选A)
A.which B.as C.that D.so

答案

1.2.不要回应任何电子邮件请求的个人信息,无论怎么看官方的 这是翻译3.代表物时多用which,但在下列情况中用that而不用which：　　a)先行词是anything,everything,nothing ,none等不定代词时； 　　b)先行词由every,a...