(根据句意和所给中文填空) He was very angry when he saw his room in a _____ (杂乱).

(根据句意和所给中文填空) Please put the waste things into the ______ (垃圾箱).

(根据句意和所给中文填空) The robot caught a ______ (病毒) and caused a lot of problems．

（用所给词的适当形式填空） A robot can help people do a lot of ______ (housework)．

（用所给词的适当形式填空） Simon needs ______ (buy) a new bike．

（用所给词的适当形式填空） Robots can help scientists ______ (explore) outer space．

（用所给词的适当形式填空） Kitty has ________ (stay) at home because her mother is ill．

（用所给词的适当形式填空） I don't know when she _____ (come)．

(翻译) 做饭

(翻译) 写一封投诉信