用介词填空：1.are you free__saturday night.2.she was horn __2008.3.i was __ home yesterday .
问题描述：
用介词填空：1.are you free__saturday night.2.she was horn __2008.3.i was __ home yesterday .
答
1 on 在具体的某一天的早上,下午或者是晚上用介词on
2 in在哪一年用介词in
3 at be at home 在家