If you ——time,will you send the letter for me,please.A.have B.are having C.have had
问题描述：
If you ——time,will you send the letter for me,please.A.have B.are having C.have had
答
答案选A.have
条件状语从句用一般现在时态,主句用将来时态
如果你有时间,请你可以发这封信给我.