阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或

问题：

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号

中词语的正确形式填空。

     I still cannot believe that I am taking up this prize that I won last year. I have to remind 1._____ constantly

that I am really in AD3008. 2._____ (worry) about the journey, I 3._____ (unsettle) for the first few days. As

a result, I suffered from "time lag". This is similar to the "jet lag" you get from flying, but it seems you keep 

4._____ (get) flashbacks 5._____ your previous time period. So I was very nervous and 6._____ (certain) at

first. 7._____, my friend and guide, Wang Ping, was very understanding and gave me some green tablets 

8._____ helped a lot. Well-known for their expertise, his parents' company, called "Future Tours", transported

me safely 9._____ the future in 10._____ time capsule.