must the us gate they waiting at school be for 连词成句

must the us gate they waiting at school be for 连词成句
还有这些连词成句2.quickly our repaired can very be equipment
3.o 'clock we late been it`s six must again already have
4.book in you hand should the exercise
5.out reading-room you to taken the of ought not have book the 英语好的朋友来帮帮我啊

1.they must be waiting for us at the school gate.
2.our equipment can be repaired very quickly.
3.we must have been late again it's six o'clock already.
4.you should hand in the exercise book.
5.you ought not to have taken the book out the reading-room.