LiuDong,WangPingandLiMingareinthesameclass.
LiuDong--Howdoyouusuallygotoschool,WangPing?
WangPing--Iusuallygotoschoolonabus.
LiuDong--Whataboutyou,LiMing?
LiMing-Itakeabustoschooltoo.
WangPingandLiMing--Whataboutyou,LiuDong?
LiuDong--Ioftengotoschoolbybike.Ithinkit'sgoodformyhealth.andit'scheapertoo.
WangPing--But,takingabusisfaster.
LiuDong--Abusneedspetrol,andit'sharmfultoourenvironemt.Iwouldlikeyoutwotorideyourbikestoschool,justlikeme.
WangPingandLiMing--Goodidea.Toprotectourenvironment,let'sgotoschoolbybike.