请判断这句话语法是否正确。
The thought came to the boy who his mother had left him alone in the city.
请判断这句话语法是否正确。 The thought came to the boy who his mother had - Unit 4 Subordinate Clause II(从句II) - 英语语法与句子写作 - U校园 | 大学网课搜题引擎