句型转换。

1. I have been to the Great Wall. (改为一般疑问句)

    ______ you ______ to the Great Wall?

2. Qingdao has a square. Its name is"May Fourth Square". (合并为一句)

    Qingdao has a square ______"May Fourth Square".

3. You will find Chinese food easily in Singapore. (改为同义句) 

   You won't ______ ______ ______ finding Chinese food in Singapore.

4. The population of this city is 15 million. (就划线部分提问)

    ______ ______ ______ of this city?

5. Many animals only wake up at night. (改为同义句)

    ______ ______ ______ animals only wake up at night.