11. We had to ______ a lot of noise when the children were at home.

A. come up with                                            B. catch up with

C. put up with                                               D. keep up with

12. When I was eighteen I was independent ______ my parents.

A. on                                                            B. of

C. to                                                             D. with

13. The water was so clear that it ______ the trees on the river bank.

A. shadowed                                                 B. presented

C. reflected                                                   D. shaded

14. In this advanced course students must take objective tests at monthly ______.

A. length                                                       B. period

C. intervals                                                    D. gaps

15. The ______ majority of people do not actually attend sports events, but see them through the eyes of the media.

A. main                                                         B. wide

C. big                                                           D. vast