题目内容
(改错) My uncle has bought the violin for more than three years.
(改错) People say that the world's populations may be seven billion by the year 2010.
(改错) This new bike is beautiful than that one.
(改错) Both you and she gets up early.
(改错) You'd better to call her right now.
(改错) Traffic mustn't cross the roads when the traffic lights are red. Walkers mustn't do it, too.
(改错) I'll let you know as soon as they will come back this afternoon.
(改错) Please call she Amy.
写出下面动词的第三人称单数形式和过去式
stay ________ ________