They should clean the room and wash the clothes,because when they get older,they will have to do it.
这个句子最后一个单词it要改成them嘛,clean the room and wash the clothes.是两件事还是一件事?
不用改,因为 it 指的不是 clean the room 和 wash the clothes 这两件事,而是指 should clean the room and wash the clothes 这一件事。