题目内容：

Will you come to the dinner party?Well,it depends.We would join them for dinner_
A.should they ask B.shall they ask C.if they ask D.whether they ask
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答案：A1、主句用的是would + 动原,很显然BCD时态与主句不一致,所以排除.2、此句是对将来的一种虚拟,用虚拟语气.if条件状语从句用：should + 动词原形,主句用：would + 动词原形,这里should they ask = if they shou...