完成句子。（每空1分，共8分）
根据所给提示，完成句子。每空一词，含缩略词。
I have already swept the bedroom.（改为否定句）
I _______ swept the bedroom _______.
I don’t know how I can learn a foreign language well. （改为同义句）
I don’t know _______ ________ learn a foreign language well.
Uncle Liu has lived in Beijing for more than ten years. (对划线部分提问)
_____ _____ has Uncle Li lived in Beijing?
学生在课堂上不允许使用手机.（完成译句）
Students _______ ________ to use cell phones in class.