Ⅱ.用适当的介词填空。 1.What happened to him last week? 2.We are going to Beijing on June 1st. 3.They need to interview some more people and find out if they like their jobs. 4.I was late for class today because my alarm hadn't gone off 导航页导航页 Ⅱ.用适当的介词填空。 1.What happened __________him last week? 2.We are going to Beijing __________June 1st. 3.They need to interview some more people and find __________if they like their jobs. 4.I was late for class today because my alarm hadn’t gone . to on out off