1.Are you going to swimming _____ this afternoon?
1.Are you going to swimming _____ this afternoon?
A./ B.in C.on
为什么前面不用介词in?
2.I don't know what to do.
I don't know how to do it.
(为什么how后要有it,what后没有it.)
3.I think dinosaurs are funny to write about.
(为什么末尾还要加about)
像第1题那样的,还有哪些词不用介词?
A./ B.in C.on
为什么前面不用介词in?
2.I don't know what to do.
I don't know how to do it.
(为什么how后要有it,what后没有it.)
3.I think dinosaurs are funny to write about.
(为什么末尾还要加about)
像第1题那样的,还有哪些词不用介词?
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