whatever; which can do whateverit is asked to是定语从句,修饰robot（你拼错了）
在这定语从句中,whatever it is asked to do是宾语从句,do承前省略
to prevent 动词不定式表目的就是说确实不能用anyting对吗？后面一个we can do 不是插入语吗确实不能用，但we can do也确实不是插入语。插入语是插到句子中而不充当任何成分的东西。如，generally speaking, to tell the truth等