1,---sorry,i'm late.---That's ok.i____long A haven't been wa

1,---sorry,i'm late.---That's ok.i____long A haven't been waiting b didn't wait
B haven't waited C don't wait D didn't wait
guolan 1年前 已收到1个回答 举报

arktoi 幼苗

共回答了16个问题采纳率:87.5% 举报

A haven't been waiting

1年前 追问

8

guolan 举报

能解释一下么

举报 arktoi

表示从过去某个时间开始一直持续到现在的动作,用现在完成进行时态。
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