按要求改写句子。
1. There are lots of bicycles in China. （一般疑问句）
______ _______ lots of bicycles in China?
2. Chinatown is in NewYork. （对划线部分提问）
_______ ________ is the Chinatown?
3. The Changjiang River is about 12000 li long. （对划线部分提问）
_________ _________ is the Changjiang River?
4. I want to go to Chinatown. （一般疑问句）
_______ you ________ to go to Chinatown?
5. I’m sending an email to my family in China. （对划线部分提问）
_____________________________________
6. This postcard is from China. （对划线部分提问）
_____________________________________
7. There are lots of computers. （改为否定句）
_____________________________________
8. 让我们现在就去唐人街吧。（翻译成英语）
_____________________________________