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

Do you know when Tom ( ) from abord?prefer it will be a long Do you know when tom will come from abroad?为何will在tom之后? 单项选择,1.Do you know ( A.when the meeting will begin B.when be ----- will he be back home ,do you know?A How long B How oft 1、A：Do you know when your father will be back? 为什么是How long do you think it will be ... How long do you think it will be __ China sends a manned spa How long do you think it will be ___ the bus arrives here A. How long do you think it will be before China sends a manned Do you know how long it would take you to go from Beijing to Do you know ( )it takes very long to travel from earth to ma Do you know when the Greens will