用指示代词填空
问题描述：
用指示代词填空
1.It is much colder in New York in winter than ( )of in Nanjing.
2.The students in No.3 Primary School are stronger than ( ) of No.1 Primary School .
请说下理由
答
1.that指代Nanjing的天气,用单数
2.those指代 No.3 Primary School 里的 students ,因此用复数.