问题描述：
three sheep are eating grasses on the hill哪里错了
three sheep are eating grasses on the hill
这个句子哪里错了?
重点是sheep,eating,grasses
three sheep are eating grasses on the hill
这个句子哪里错了?
重点是sheep,eating,grasses
问题解答：
我来补答展开全文阅读