17. The weather forecast says it is most ______ to rain tomorrow.

A. possibly                                  B. probably

C. reasonably                                D. likely

18. He felt guilty ______ a serious error in his Chinese translation of Hamlet.

A. of                                      B. about

C. with                                     D. against

19. They promised to release the hostage in exchange ______ fifty thousand dollars.

A. with                                      B. of

C. for                                      D. between

20. This fashion magazine is intended to ______ t o white-collar women in their 20s and 30s.

A. fascinate                                  B. attract

C. draw                                    D. appeal

21. During the interview, I was so nervous that my mind went ______ and I didn't know how to answer the questions.

A. vacant                                  B. empty

C. blank                                   D. hollow

22. One of the effective ways to enlarge your vocabulary is to ______ in reading English newspapers every day.

A. persist                                   B. insist