11.Many new opportunities will be opened up in the course of time for those (     ).

  A. with an university education.         B. with a university education

  C. have a higher education                D. have had a higher education

12.Fifty people were invited to the party, but only forty (     ).

  A. turned around                              B. turned up

  C. turn to                                        D. turned in

13.When she is nervous, she does nothing (     ).

  A. but eating                                    B. but eat

  C. to eat                                          D. eat

14.They argued back and forth for a long time about (     ) next.

  A. what should they do                     B. what they should do

  C. what do they do                          D. what they are doing

15.(     ) to hear that I had withdrawn from the competition.

  A. They all very surprised                 B. Surprised

  C. Surprisingly                                D. They were all very surprised

16.It’s (     ) possible (     ) necessary.

  A. not only...but also                        B. either...but

  C. not ... and                                   D. whether ... or