用括号中所给单词的适当形式填空。
1. The Chinese Communist Party________ on October lst, 1949.(found)
2. We took many________ on the Great Wall.(photo)
3. Where's the ________to the park?(enter)
4. No________ means you can' t________ here.(smoke)
1.was founded 2.photos 3.entrance 4.smoking, smoke