Question

【题目】--- What will you do during the summer holiday?

---I don’t know, but it’s high time ________ something.

A. I’m deciding B. I’ll decide

C. I decide D. I decided

Answer 1

【答案】D

【解析】“it is high/about time （that） sb. Should do sth./sb. did sth.”表示是某人该做某事的时候了。从句用should+动词原型或一般过去时，should 不能省略。