选择正确的短语填空。 do some reading take photos clean the classroom no smoking wash hands instead of stay out 1. Chinese usually don't ______ on the first day of the Spring Festival. 2. I went to see a movie ______ a play. 3. We can use cameras to______ . 4. Mother told me not to __________after 10. 5. Before meals, you'd better______ . 6. What does '______' mean?It means 'not smoke'. 7. Today it's my duty to ______.