用所给词的适当形式填空。 |
1. I don't know how _______ ( do ) it. 2. Zhang Yong is one of the famous ________ (swim) in China. 3. It's hard to give up _ ______ (smoke) , but you have to. 4. I have ______ (be) to the Great Wall twice. 5. Shanghai is ______ (locate) in the east of China. |