I think ( )nessary( )us to eat enough fruit and vegetables every day.Ait;of Bthis;of Cit;of Dthis:o

分类: 作业答案 • 2022-04-04 18:46:53

问题描述：

I think ( )nessary( )us to eat enough fruit and vegetables every day.Ait;of Bthis;of Cit;of Dthis:o
单项选择!

答

A
It作形式宾语的一种用法