When is it the good time _____ (have) the meeting

When is it the good time _____ (have) the meeting W______ is a good time to have the meeting? It's time _____ the class meeting. when is a good time to have the party?还是用when is a good time ( Today ) is a good time to have the meeting.(对括号部分提问）----- It was supper time when the meeting was over When is a good time ___ the party A.have B.having C.to have when is a good time to have the party 为什么用to have It's time to have the meeting.同义句 when will we have the meeting? It's( when is a good time to have the party,这是什么语法,应该怎么解释 the ,when ,party .to ,good.a .time.have ,is?连词成句