按要求改写句子。
(1) There are lots of bicycles in China. (一般疑问句)
(2) Chinatown is in New York. (对划线部分提问)
(3) The Changjiang River is about 12000 li long. (对划线部分提问)
(4) I want to go to Chinatown. (一般疑问句)
(5) I’m sending an email to my family in China. (对划线部分提问)