1.We shall start _____ Suzhou _____ Ben's car tomorrow.

1.We shall start _____ Suzhou _____ Ben's car tomorrow.
A.to,in B.for,by C.for,in D.to,by
为什么不能选A
2.In order to keep the earth clean,we should do everything we can _____waste things.
A.recycle B.recycled C.to recycle D.recycling
为什么?情态动词后面不是应该原形吗?
3.I'm often late _____ school.But I got up early and did not come late ______ school this morning.
A.for,to B.for,for C.to,to D.to,for
为什么