43.For some time now, world leaders（ ）out the necessity for agreement on arms reduction.

17.Timothy Ray Brown, the first man cured of HIV, initially opted against the stem cell transplantation that（ ）history.

16.“It’s a shame that the city official should have gone back on his word.” The modal auxiliary SHOULD express（ ）.

15.“If I were you, I wouldn’t wait to propose to her.” The subjunctive mood in the sentence is used to（ ）.

14.“I wondered if I could have a word with you” The past tense in the sentence refers to a（ ）.

13.Ms Ennab is one of the first palestinian（ ）with seven years racing experience.

12.She followed the receptionist down a luxurious corridor to a closed door,（ ）the women gave a quick knock before opening it.

11.（ ）combination of techniques authors use, all stories—from the briefest anecdotes to the longest novels — have a plot.

30.Finning is a cruel（ ）in which the shark’s fins are lopped off, and the live shark is thrown back to sea.

29.If you are an athlete, strong abdominal muscles help you ensure a strong back and freedom from injury during（ ）upper-body movement.

28.（ ） to unplugging the alarm clock and trusting your ability to wake on time on your own, you should probably ease yourself into the new arrangement by keeping a very regular schedule for several weeks.