这几题目该怎么选择呢？我的基础不太好 麻烦讲解下！
30. How time flies! ______ more than ten years since I left my hometown.
A. It is B. It was C. There are D. There were
31. I am very ______ in the book that you sent to me yesterday
A. interest B. to interest C. interested D. interesting
32. My hometown is famous for its fruits, ______ apples and pears.
A. at least B. such as C. but for D. because of
33. Mary ______ a very shy girl. She didn’t like talking to strangers.
A. is used to be B. used to be C. is used to D. used to being
感谢!
30. A it 做形式主语，since是从过去到现在，所以用is31. C这里应该填形容词做表语。所以AB排除。interested意思是（人对某件事物）感兴趣的interesting意思是（某物本身具有的）令人感兴趣的32. B 根据句意应该填“例如”所以填such as33. B used to be 过去是
Ais used to习惯于某事
CD 选项都是错误的用法。
