By the time we were sent to the village ,we ___ mostly 16 or 17 years old.
问题描述：
By the time we were sent to the village ,we ___ mostly 16 or 17 years old.
A.had been B.should be
C.would have been D.were
By the time he arrives in beijing ,we____here for 2 days.
will have stayed
答
第一题：这里没有“我们大约十六七岁” 是已经完成的意思,只是描述当时那个时间点的状态,所以用过去时.
你看这个例句：By the time the war was over ,death and suffering were to be seen everywhere.在战争结束的时候,到处可见死亡和饥饿.
如果只是说过去某个时候的状况,用过去时.
第二题：by the time 从句可以用一般现在时表将来,主句用 将来完成时态.