用be supposed to 和 be not supposed to 造句,不用太复杂,两句不同就好.、

用be supposed to 和 be not supposed to 造句,不用太复杂,两句不同就好.、 用be supposed to do sth造句 supposed to be是什么意思 be supposed to do supposed to be造句 急 最少5句 be supposed to be\do 用be supposed to造句最少3个 be supposed to 和should have done be supposed to 和should的区别 be supposed to be done 和be supposed to have been done的区别 区分一下sth be supposed to do和sth be supposed to be done 英语语法问题be supposed to