在下面一段话空缺处依次填入词语，最恰当的一组是思考之于人类的意义 ，多少哲人用思考的乐趣来 世人。“我思故我在”，意谓当人用理性思考的时候，才真正获得了存在的意义，才对自己的能力和禀赋有 的认知。

Did you hear the rain —______ .

The number of the students in our school verybig.–About 9 students.

What_____ you _____at eight yesterday evening

You were silly __________ your car, otherwise itwouldn’t have been stolen.