the doctor is examining the patient now(同义句) the doctor is ___ ___ the patient now
问题描述:
the doctor is examining the patient now(同义句) the doctor is ___ ___ the patient now
i can't do it because i'm busy right now(同义句)
i can't do it because i'm not ___ at the ___
答
1. checking on
2. free, moment
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