用所给单词的正确形式填空。 1. Let's _______ (look) inside the window. 2. May I help you _______ (take) a picture? 3. It's about five hundred _______ (year) old. 4. The people are _______ (quiet). They sit _______ (quiet). 5. The children are _______ (loud). They talk _______ (loud). 6. I can find the children _______ (play) football. 7. Some _______ (child) are singing songs. 8. I want to take _______ (I) camera.