I'm ___ a visit ___ China.I find it's so great.A.at ,of B.in of C.on to D.with up

问题描述:

I'm ___ a visit ___ China.I find it's so great.A.at ,of B.in of C.on to D.with up

C
on a visit to 到某个地方去旅行用介词to,在旅行中用介词on