春节快到了,你打算什么时候回老家过春节? - "快到了" means "is coming soon" or "is almost here," so it might be more natural to say "春节即将到来" (Spring Festival is coming soon) or "春节就快到了" (Spring Festival is almost here).
再负责把所有的家具擦干净。 - It might be more natural to say "再负责擦干净所有的家具" (also responsible for cleaning all the furniture).
除了我的卧室,我还负责擦所有房间的地,而妈妈和弟弟的任务是负责打扫厨房。 - It might be more natural to say "除了我的卧室,我还负责擦所有房间的地面" (In addition to my bedroom, I am also responsible for cleaning the floors of all the rooms), and "妈妈和弟弟的任务是打扫厨房" (Mom and my little brother's tasks are cleaning the kitchen).
再负责把所有的家具擦干净。 - It might be more natural to say "再负责擦干净所有的家具" (also responsible for cleaning all the furniture).
除了我的卧室,我还负责擦所有房间的地,而妈妈和弟弟的任务是负责打扫厨房。 - It might be more natural to say "除了我的卧室,我还负责擦所有房间的地面" (In addition to my bedroom, I am also responsible for cleaning the floors of all the rooms), and "妈妈和弟弟的任务是打扫厨房" (Mom and my little brother's tasks are cleaning the kitchen).