1.which city do you live ——Beijing or manling(in. on. at. )2.It's time ——class. (for. with. in. )3.my pen is lost ,I thi
问题描述:
1.which city do you live ——Beijing or manling(in. on. at. )2.It's time ——class. (for. with. in. )3.my pen is lost ,I think ,I must buy a new —(it.one)
答
in for one