题目内容
选择并抄写单词
We use knives for ________(cut; cutting)things．
(改写) People use knives for cutting things. （改为被动语态）Knives _ _ for cutting things.
将下面句子变为被动语态，每空一词。
They use knives for cutting things．
Knives ________ ________ for cutting things．
句型转换。一空一词
We use knives for cutting things.
Knives ________ ________ ________ ________ things.
