¡¡¡¡( )41. We must try our best to stop the pollution _______ a happier life.

¡¡¡¡A. from living B. to live

¡¡¡¡C. living D. live

¡¡¡¡( )42. --- Hello, what are you reading?

¡¡¡¡--- A book _______ by Bill Gates.

¡¡¡¡A. writing B. written

¡¡¡¡C. to write D. which written

¡¡¡¡( )43. --- What do you come here for?

¡¡¡¡--- _______.

¡¡¡¡A. Borrow a CD B. To borrow a CD

¡¡¡¡C. Borrowing a CD D. Borrowed a CD

¡¡¡¡( )44. Yesterday I heard a story _______ by my friend.

¡¡¡¡A. told B. telling C. to tell D. tell

¡¡¡¡( )45. We can’t help crying after _______ the sad news.

¡¡¡¡A. hear B. heard C. hearing D. to hear

¡¡¡¡( )46. --- Would you mind _______ for a few minutes?

¡¡¡¡--- No, not at all.

¡¡¡¡A. wait B. to wait C. waited D. waiting

¡¡¡¡( )47. Have you read this book? It’s worth _______.

¡¡¡¡A. to read B. read

¡¡¡¡C. reading D. to be read

¡¡¡¡( )48. Mr Wang would like me _______ my classmates a talk.

¡¡¡¡A. to give B. giving C. gives D. give

¡¡¡¡( )49. I find _______ him all about it.

¡¡¡¡A. necessary to tell B. that necessary to

¡¡¡¡C. necessary it to tell D. it necessary to tell

¡¡¡¡( )50. It’s very nice _______ you to _______ me about it.

¡¡¡¡A. for; tell B. of; say C. to; speak D. of; tell