1 . 根据下列句子及所给的首字母，在答题纸上按题号写出各单词的正确，完全形式（每空限填一词）.
1. A________ please! I have something important to tell you.
2. When I go out at night, my parents are always worried about my s________.
3. Speaking, American English is different from British English in p________ and spelling.
4. Mum hugged me and k________ me in the face every time she was proud of me.
5. —I have never seen such a beautiful city before.
— Really? It's also the f________ time that I have been here.
6. During the first three days of last National Day, the West Lake r________ about five million visitors.
7. Shanghai is one of the biggest c________ in the world.
8. I doubt w________ my father will catch the last train or not.
9. I live just by the market, and it’s very c________ to go shopping.
10. It's impolite to enter the room without k________ on the door.