Question

Jim was late for two classes this morning. He said that he forgot both of the ______. A．room..

Jim was late for two classes this morning. He said that he forgot both of the ______. A．rooms number B．room number C．room’s numbers D．room numbers

Answer 1

D

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）：