46. 没有人知道将来会发生什么事。

No one knows what will happen _________ _________ _________.

47. 电脑如今被人们广泛地使用。

The computers _________ widely _________ _________ people today.

48.你认为哪一张画最好看？

Which _________ _________ _________ is the nicest picture?

49. 他的叔叔是一名宇航员。他去年在太空站工作。

His uncle is an _________. He worked on a _________ _________ last year.

50. 我到临沂后，我就爱上了这座城市。

I _________ _________ _________ _________ this city after I got to Linyi.