给下面句子选择正确的译文:中国人发明了造纸术
A. Chinese people invented paper.
B.Chinese people printed newpapers.
给下面句子选择正确的译文:那是对的。
A.That's right.
B.That's all right.
给下面句子选择正确的译文:这是什么呢?
A.Do it like this.
B.What's this?
给下面句子选择正确的译文:我们印刷书本和报纸。
A.We invented printing.
B.We printed books and newpapers.