单词拼写。根据下列句子及所给汉语注释，在横线上写出各单词的正确形式。

1. The garage charges $30 an hour for _____ (劳动).                          

2. Please ______ (系) the safety belt while driving.                     

3. ______ (严格) speaking, it is not qualified.                          

4. He ______ (低语) the words in my ears.                                 

5. With the development of society, there are an increasing number of ______ (精神) 

    problems among the youth.                           

6. The workers in the car factory are ______ (付报酬) by the hour.            

7. The result was ______ (超出) her wildest dreams.                       

8. It’s known that smoking ______ (香烟) is not permitted in public now.     

9. People in the village all went to celebrate the old man’s ______ (九十) birthday.                            

10. My nephew Nemo likes chocolate ______ (饼干) best.