经广好吃狗韦小宝图片:The sheep ----farmed for meat by theold man,which is said to ----by a scientist yesterday。

来源:百度文库 编辑:高校问答 时间:2024/04/29 12:23:23
A is;be bought B are;be bought C is;have been bought
D are have been bought
为什么选C

那个老头养的用来吃肉的那头羊,据说昨天被一个科学家买去了。

因为,which is 用的是单数,判断前者用单数。

因为已经被买走了,所以用了不定式的完成式

后面用单数,所以前面只好用IS
而且是昨天就被带走,所以用完成时