Your flat needs 填空.would you like me 填空 it for you.b cleaning doing c cleaning to do d to be cleaned doing 前面一个空不需要解释我后面那个不太清楚语法点在哪

问题描述:

Your flat needs 填空.would you like me 填空 it for you.
b cleaning doing c cleaning to do d to be cleaned doing 前面一个空不需要解释我后面那个不太清楚语法点在哪