小学英语改错题He'd better doing his homework quickly ,or he can't finishing it.错误大于一个.
问题描述：
小学英语改错题
He'd better doing his homework quickly ,or he can't finishing it.错误大于一个.
答
doing改为do --因为would better do sth
finishing改为finish---因为can 或can't后加动词原型