1.                  It is hard ______us to persuade him to believe what we said.

A. on                   B. to                              C. with                          D. for

2.                  You should have gone ______ your essay before submitting it to the teacher.

A. on                   B. by                   C. over                      D. up

3.                  It’s careless ______ you to let your children play with fire.

A. to                      B. for                 C. with                        D. of

4.                  Because I am a student, I live _________ small allowances from my parents.

A. on                     B. by            C. for                  D. with

5.            These factors contribute                                   making city life more difficult for its residents.

A. with                B. to                              C. on                    D. in

6.                  Handicraft methods in the village are normally passed ______ through generations.

A. up                  B. out                   C. down                        D. away

7.            The trip to the National Gallery has been put ______ until next Friday.

A. out                               B. off               C. down                  D. up