Joan want to go back three dayJoan want to go back ————three daya_英语解答

Joan want to go back three day
Joan want to go back ————three day
after还是 in

人气：108 ℃　时间：2019-09-23 14:00:48

解答

in 因为Joan想要在三天内回来,用in,in在将来时中表示在.之内