45.- What's the problem with your bike?
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15.Let's try something different.

14.I'll have to try using the search engines.

13.He is the only Chinese who has ever won the award.

12.The People's Republic of China (PRC), founded on October 1, 1949, covers an area of 9.6 million square kilometers.

11.Bill hit his car into a wall last night.

10.Most students feel satisfied with the progress they’ve made.

9.About half of the fruit is ripe.

8.The girls are busy making preparations for the weekend party.

7.I don't know who broke the window.

6.What kind of life do most people enjoy?