Question

【题目】There are ______ floors in Toby’s house. And his room is on the _____ floor.

A. three; twoB. third; secondC. third; twoD. three; second

Answer 1

【答案】D

【解析】

句意：Toby家有三层楼。他的房间在第二层。three三，是基数词；third第三，是序数词；two二，是基数词；second第二，是序数词。第一空修饰复数名词floors，故用基数词three。第二空修饰单数名词floor，故用序数词second。故选D。