Fank,when will the meeting begin you should come ()2:30.if you come 10 minutes () that time ,the mee

题目

Fank,when will the meeting begin you should come ()2:30.if you come 10 minutes () that time ,the meeting will be over .
a.at .before b.at ,after c.after.before

答案

Fank,when will the meeting begin you should come ()2:30.if you come 10 minutes () that time ,the meeting will be over .
a.at .before b.at ,after c.after.before
选项是b