my parents ________(clean)the house at night yer

有一道题是这样的：Lily with her parents (clean) the house at eight ye Let Jim ________ ( clean) the house. the whie house at night Before the Spring Festival,parents often clean the house and ---________ we clean the classroom at once? Yesterday I-my mother clean the house My sister often helps my Mum______(clean)the house. My sister often helps my mum (clean)the house. My parents want me to stay at home every night. 连句子:helps,the,house,clean,usually,he,at,hone the house needs (clean) clean the house 是什么意思