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15.        private cars are bringing us convenience,they may also cause more traffic accidents and pollution.

14. When the first runner reached the finishing line,the crowd let        a loud cheer for him.

13.       hard you try,it is difficult to lose weight without cutting down the amount you eat.

12. This top student does well in many subjects,physics        particular.

11. Considering the dark clouds,it's likely that a heavy rain is        the way.

10. We didn't know how they        (convey) these stones over 200 moles (摩爾) without modern ma?chines.

9. —I wish that my parents        (come) to watch my basketball match tomorrow.

―But they are always busy.

8. If he       (finish) his work,he would have gone to Beijing to see the musical The Sound of Music on Dec. 10.

7. But for the help of my English teacher,I         

(not win) the first prize in the English Writing Com?petition.

6. The special guest was received with unusual         (warm) .