4、andseventy-fourthousandthreehundredandfifty. ,thousand,million用复数形式修饰名词时要用“of+复数名词”,如:数以百计的年轻人hundreds ofyoungpeople;数以千计的书thousandsofbooks.注意:hundredsof/thousandsof/millionsof+复数名词,其前面不能加具体的数词,但可加several或many. Hundredsofnewbuildingshavesprungupherethisyear. T