1.      He tried to avoid_______ my question.

          a. answer                     b. answering              c. to answer                 d. to have answered

2.      Paula has given up _______ to lose weight.

          a. try                            b. trying                     c. to try                        d. to have tried

3.      We can't go on_______ like this.

          a. living                       b. live                        c. to live                      d. to be living

4.      Don't keep_______ me while I'm talking.

          a. interrupt                   b. to interrupt            c. interrupting              d. to have interrupted

5.      I can't imagine Bill _______ a motorbike.

          a. ride                          b. riding                     c. to ride                      d. to be riding

6.      Sorry to keep you_______ so long.

          a. waiting                    b. wait                       c. to wait                     d. to have waited

7.      She now regrets_______ it.

          a. say                           b. having said            d. to say                       d. to have said

8.      We decided_______ at home.

          a. to stay                      b. stay                        c. staying                     d. having stayed

9.      Frank tends_______ too much.

          a. to have drunk          b. drinking                 c. drink                        d. to drink

10.  He doesn't want_______

          a. to know                   b. know                     c. knowing                  d. to be knowing