1.If you come to visit China, you will ______ a culture of amazing depth and variety.           

A. develop                          B. create                          C. substitute                          D. experience

2.You ______ pay too much attention to your reading skills, as they are so important.

A. shouldn't                              B. mustn't                              C. can't                              D. needn't

3.The only problem was ______ we kept getting lost! But people in Tianjin are very friendly and helpful.           

A. why                                   B. whether                                   C. that                                   D. how

4.Susan had quit her well-paid job and _______ as a volunteer in the neighborhood when I visited her last year.           

A. is working                    B. was working                    C. has worked                    D. had worked

5.His work has received only a tiny mention in the newspaper; actually he__________ more attention.           

A. reserves                           B. deserves                           C. observes                           D. preserves