问题描述：
1.Tom has been to London .Could you tell me __________( )
A)how long he has stayed here B)how long he stayed here
C) how long he stays here D)how long he will stay here
2.Do you know the girl _____(who) parents were dead in the accideng?
请注明原因
A)how long he has stayed here B)how long he stayed here
C) how long he stays here D)how long he will stay here
2.Do you know the girl _____(who) parents were dead in the accideng?
请注明原因
问题解答：
我来补答展开全文阅读