按要求改写下列句子。每空一词。(10分)

小题1:This bike is eighty dollars．(对划线部分提问)

______ ______  ______this bike?

小题2:How about these red and blue T-shirts?(改为同义句)

_____ ______ these red and blue T-shirts?

小题3:Mr. Cool’s store sells bags．(改为否定句)

Mr. Cool’s store ______ ______ bags．

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?

循环小数2.970808…的循环节是______，可以用简便方法写作______．