shall we meet at the gate?ok,i willbe ()time.填on还是in?为什么?

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shall we meet at the gate?ok,i willbe ()time.填on还是in?为什么?
shall we meet at the gate?ok,i willbe ()time.填on还是in?为什么?

shall we meet at the gate?ok,i willbe ()time.填on还是in?为什么?
on time是按时,in time是及时,用on

on
因为你写in 的话,in time的意思是在时间里面