Even if his letter（） tomorrow ，it（） too late to do anything.
C
「句意」即使他的信明天到也无济于事了。
「难点」在条件句中表示现在将来的时间，需要用一般现在时，主句中使用将来时。
Our（）sensitivitydecreaseswithage.Byage60，mostpeoplehavelost40percentoftheirabilitytosmelland50percentoftheirtastebuds.
Even if his letter____tomorrow ， it____too late to do anything.