Do you know when Tom ( ) from abord?prefer it will be a long time before he ( )

问题描述:

Do you know when Tom ( ) from abord?prefer it will be a long time before he ( )
A.will come comes
b,comes comes
为什么选a ,when引导的不也是时间状语从句吗,不也是用现在是表示
将来时的吗?糊涂

A Do you know when Tom ( ) from abord这是宾语从句用正常时态I prefer it will be a long time before he ( )这是这也是宾语从句.但是宾语从句时时间状语从句 it will be a long time before he ( )充当的...