作业帮They'll have a picnic on Sanday 对 on Sunday 提问 ____ will they ____ a picnic?
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They'll have a picnic on Sanday 对 on Sunday 提问 ____ will they ____ a picnic?
When,have
When ,have
When,have
when will they have a picnic?
on Sunday是一个时间，对时间的提问用when或what time.
when will they have a picnic?