土拨鼠 山地车 钛合金:同义句改写

来源：百度文库 编辑：中科新闻网 时间：2024/05/10 09:34:15
1.Tom often helps his mother do the homework.
Tom often _____ his mother _____the homework.

helps with

assists with

helps his mother doing

helps, with

改写同义句！ 改写同义句 关于同义句改写 同义句改写 同义句改写 同义句改写 一道同义句改写 同义句改写 同义句改写 改写英语同义句