用“on，in，at，beside，above，under"组几个介词短语。1. on _____________
2. in _____________
3. at _____________
4. beside _____________
5. above _____________
6.under _____________

1. on the table 2. in the box 3. at school 4. beside the library 5. above the floor 6. under the bed
答案不唯一