When shanghai expo comes,some foreigners_____(visit)Shanghai

问题描述:

When shanghai expo comes,some foreigners_____(visit)Shanghai

When shanghai expo comes,some foreigners will visit Shanghai.
当上海世博会来临的时候,一些外国人将来上海参观.
when引导的时间状语从句,主句一般现在时,从句将来时
与if用法一样