完成句子，每空一词。
为了学好英语, 他天天听收音机。___ ___ English well, he listens to the radio every day.
他已邀请我去参加他的生日聚会。He has ___ ___ to go to his birthday party.
他不知道她最喜欢的科目是什么。He doesn't know what her ___ ___ is.
我能记住我所看到的每一件事情。I can remember __ I ______.
你经常帮助你妈妈做家务活吗？Do you often ____ your mother ____ the housework？