Though he thought math was very difficult, he never _______it ______.

Is your jacket —No, it isn’t. Ask Alan. He lost .

Do you oftenat your friends’ home on your way home—Yes, we do.

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。

fraid we cannot include the item yousuggest, as it does not __________ the rest of the programme.