（用所给词的适当形式填空）1.I---- (not see) him since he ---- (leave) sch

学习时间:2026-09-30 01:17:54 阅读：6949

（用所给词的适当形式填空）1.I____ (not see) him since he ____ (leave) school.2.It ____ (be) five years since we last ____ (see) each other.

缓慢的哑铃

2026-09-30 01:17:54

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1。haven't seen, left2。is/ has been , saw 再问： since后面的动词也要用过去式吗？再答：是的, since后面的动词必须要用过去式。