为什么是If it doesn't rain tomorrow,we'll go there.而不是If it isn't.为甚莫不能用isn't?
问题描述:
为什么是If it doesn't rain tomorrow,we'll go there.而不是If it isn't.
为甚莫不能用isn't?
答
为什么是If it doesn't rain tomorrow,we'll go there.而不是If it isn't.
为甚莫不能用isn't?