1¡¢Warnings about the danger of smoking seem to have little impact __________this age group.

2¡¢The panda is unique__________ China, which is well-known to us all.

3¡¢—Are you familiar__________the music? 

—Yes,the music is very familiar__________me,but I can’t remember when and where I heard it. 

4¡¢After seeing the film, they made comments __________some of the parts.

5¡¢He had to take the medicine three times a day, so as to be free __________the pain in the leg.

6¡¢Her old parents watched Mary until she disappeared from sight__________ the distance.

7¡¢He suddenly saw Tom __________(cross) the street, so he pushed his way__________ the crowd to catch him.

8¡¢Success in life doesn't happen __________accident. It's the result of devoting your time and energy to what you've set out to do.

9¡¢You’ll succeed__________ time as long as you love it with passion because life will give back what you put into it.