Please come to the party ____ 6 pm ___ Saturday. A.at on B. in in C .on in

问题描述:

Please come to the party ____ 6 pm ___ Saturday. A.at on B. in in C .on in
请专家说明原因
谢谢O(∩_∩)O

A
几点几分,用at
哪一天,用on