将下列选项中的词语依次填入各句横线处，最恰当的一组是 ①为了纪念世界反法西斯战争胜利60周年，俄罗斯邀请了世界50多个国家和国际组织的       人物参加庆典活动。 ②在改革开放的新形势下，我们仍然要从实际情况出发，从中探索出固有的而不是         的规律。 ③放学时间还没到，集体活动还没结束，你怎么能         离开学校呢

Let’s go to Kun ming for vacation. It’s ______ too hot ______ too cold there.

Is that modern car _______, Linda —Nobody but Jim can afford such an expensive car. It must belong to _______.

Always read the ______ on the bottle carefully and take the right amount of medicine.

This history book is of great value.— Exactly. _____ can be enjoyed from it ______ you have a deep understanding of it, however.