when is a good time to have the party,这是什么语法,应该怎么解释

when is a good time to have the party,这是什么语法,应该怎么解释 when is a good time to have the party?还是用when is a good time when is a good time to have the party 为什么用to have When is a good time ___ the party A.have B.having C.to have the ,when ,party .to ,good.a .time.have ,is?连词成句 Ok, when is a good time to have the party.是什么意思? When is a good time ___ the party A.having B.to have 为什么选B,能 next,Sunday,good,is,to,have,time,the,school,party,a (连词成句) when is a good time ____the party?let's have it today. The evening party is very good ,we have ()good time when is a good time to start 怎么翻译 Could you tell me when is the best time to have the party这个句