问题补充:
单选题Jimwaslatefortwoclassesthismorning.Hesaidthatheforgotbothofthe______.A.rooms numberB.room numberC.room’s numbersD.room numbers
答案:
D解析room 为无生命名词,不用 room’s 这样的所有格形式,在此可直接用名词作定语。类似地,下面一题要选B,也是一样的道理(名词作定语通常用单数不用复数):The boy was very happy that his mother bought him a new pair of shoes at a ______ yesterday.A. shoes shop B. shoe shop C. shoes’s shop D. shoe’s