根据汉语意思完成句子。
【小题1】You should help to _____ _____(打扫）the classroom.
【小题2】I want to _____ _____（推迟）my plan to travel until next summer because I am too busy.
【小题3】Why don’t you forget about it _____ _____(以便于)you can be Friends  again.
【小题4】Can you _____ _____  (向……解释）me how to do this math  Problem?
【小题5】“What happened?”she asked _____ _____  (吃惊地）.