根据句意和首字母或汉语提示，将单词的正确形式写在题中相应的横线上。
【小题1】There’s nothing in this box. Look, it’s e______________.
【小题2】You’d better to keep your v______________ down when talking in public.
【小题3】Jack is so smart that he can answer these questions ______________ (容易地) .
【小题4】 Both of my best friends were born in ______________ (十月) .
【小题5】People will use robots to do the ______________ (家务) in the future.
【小题1】empty
【小题1】voice
【小题1】easily
【小题1】October
【小题1】housework解析:
略
