People are puzzled _____ they read the book.

I ____ so busily recently that I ____ no time to help you with your maths.—That’s OKI can manage it by myself

In my opinion, life in the 21st century is much easier than _____. [ ]

依次填入下列各句横线处的词语，最恰当的一项是。（1）建造蚁丘的时候，有事需要一批一定 的细枝。（2）他们像受了惊一样做出 ，他们开始骚动，激愤，然后就像艺术家一样开始工作。（3）当他们察觉到远方的食物时，于是，长长的队伍像触角一样伸出来， 平地， 高峰， 巨石，去把食物搬回来。

Excuse me, may I ask you some questions, Jane OK, _______.