The doctor thoughtwould be good for you to have a holiday.A. thisB. thatC. oneD. it

问题补充：

The doctor thoughtwould be good for you to have a holiday.

A. this

B. that

C. one

D. it

答案：

A. this

B. that

C. one

(答案→)D. it

解析：考查It的用法。It的两个重要用法是作形式主语和形式宾语。本题考查形式宾语，it在这里代指后面的真正宾语to have a holiday。句意：医生认为你最好去度个假。