13.Who do these books belong to ? ➩ whose 14.It will be nice to sê again at the party ➩ I'm looking Sắp xếp câu 15. A representative / Friends of the Earth / talk / the student / Quang Trung School / yesterday. ➩ 16. Soccer / play / all over the world ➩ 17. A new hospitals / build / in the center / the city / next year . ➩ 18.Millions / old car tires / throw away / every year ➩ 19. Used papers / can / use / make toys . ➩ 20. It / difficult / follow / your directions . ➩ 21. It / dangerous / go / near the stove ➩ 22. It / important / wait / five minutes . ➩ Mình cảm ơn nhiều