题目内容：

How much is the trousers ? Fifty yuan.
修改病句
修改病句，是哪里有问题？

优质解答

把 is 改成 are ,因为后面的trousers是复数,复数名词的谓语动词要用复数修饰,
所以用are.
句子应修改成这样：How much are the trousers Fifty yuan
额...讲得希望你能明白..