完成句子(每题1.5分，共6分)

小题1:是我姐姐捡起那书的。

_____________my sister __________ picked up the book.

小题2:毫无疑问，搜寻那些丢失的文物的工作将会继续下去。

____________________________the search for those lost cultural relics will continue.

小题3:只有到这个时候我们才决定用暴力反抗暴力。

Only then __________________to answer violence with violence.

小题4:这是我一年半以来第一次目睹夜晚。

It was the first time in a year and a half that__________________ the night face to face.

夹闭两侧颈总动脉可引起