按要求改写下列句子。每空一词。 小题1:This bike is eighty dollars.(对划线部分提问) ______ ______ ______this bike? 小题2:Can I help you?(改为同义句) ______ can l ______ you? 小题3:She has a cool clothes store.(改为否定句) She______ ______ a cool clothes store. 小题4:How much is the sweater?(改为同义句) ______the______.______ of the sweater? 小题5:1 want a green T-shirt.(对划线部分提问) ______ ______ you want?