题目内容：

When ( )for London?A.is she flying.B.she flies.C.she is going tofly.

优质解答

这类题的做法有一个技巧.
先描述其陈述句：She flies for london.或者She is flying for london.
然后写出其一般疑问句：Does she fly for london?或者Is she flying for london?
对于疑问句（询问时间、人物、地点、内容）的,直接在一般疑问句前加when、who、where、what即可,这里应该是：when does she fly for london?或者when is she flying for london?
因此,应该选A.
授人予鱼不如授人予渔.通过以上技巧,以后做这一类的问题,你都可以按此方法获得正确答案.一个字一个字打上去的,