根据汉语的意思完成下列句子

根据汉语的意思完成下列句子
1 你认为哪一个是最有用的发明?
Which ------- the most useful invention?
2.在19世纪初,最早的火车开始运载乘客.
In -------,the first trains started to --------
3 他们不允许孩子们玩电脑游戏
They did not allow the children --------- computer games
4 我无法想象夏天没有电和水该怎样生活
I can't imagine -------- water or electricity in summer
5 自那以后,人们能够远距离地互相通话
---------,people have been --------- each other over long distances
6 他们努力工作了10年,最终过上了幸福的生活
They worked hard for 10 years and finally they --------
7 露西的朋友和苏珊的一样多
Lucy has got --------- friends -------Susan
8 纸张发明之后,书写和印刷变得更加容易
After the -------- paper,writing and printing became ----------
PS：有空白的就是要填的哦!