Question

【题目】There are _____ people in the room. Mr Brown is the _____ one. ( )

A.thirty; thirtiesB.thirtieth; thirtyC.thirty; thirtieth

Answer 1

【答案】C

【解析】

句意：这个房间里有30个人，布朗先生是第30个，前者用基数词thirty，后者用序数词thirtieth，故选C。