用现在完成时
he has reached for 2 hours.
it has been a long time since I saw you last time.
we havent heard from him since last Monday.
it has been a long time since I saw you last time.
we havent heard from him since last Monday.
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第1个回答 2009-08-27
he has been here for 2 hours
long time no see
we have not heard from him since last week
long time no see
we have not heard from him since last week
