Question

【题目】— It's ______for us to take exercise every day.
— Yes. And we should go to bed early, too.
A.necessary
B.late
C.difficult

Answer 1

【答案】A
【解析】句意：——每天锻炼对我们来说是很必要的。——是的，我们也应该每天早睡。necessary必要的；late晚的；difficult困难的。根据句意可知选A。