I’ll leave him a note _______ he’ll knowwhere we are

I don’t remember how many years ago_____people began to grow crops. [ ]

u think it’s a good idea to make friends withyour students– ______, I do I think it’s a great idea

下面文句排序最恰当的一项是①过去80年，物理学家一直未找到马约拉纳费米子存在的证据。②基本粒子分为费米子和玻色子，都有反粒子。③但自然界中可能存在一种反粒子就是自身的马约拉纳费米子。④中国科学家率先观测到了在拓扑超导体涡旋中存在马约拉纳费米子的重要证据。⑤费米子和它的反粒子“脾气”完全相反，无法同时出现。⑥这个发现或将使人类进入拓扑量子计算的时代。

Would you please________ your storybook________ me–Sure, But you must return it to me before Wednesday.