同义句转换.the businessman bought our school some latest teaching

答案：填 were bought for

解析：第一句是主动语态,第二句变成被动语态,构成是be + 过去分词




希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问(*^__^*)
再问： 器材是可数还是不可数? was 还是were?
再答： 从你的原题看，equipment后面没加s，应该是不可数名词，谓语动词应该用was，上面的考虑不周，特此更正，正确答案是：was bought for