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34、Unless      to speak, you should remain silent at the conference.

     A. invited            B. inviting            C. being invited         D. having invited

33、Only after I had known him for some time      to appreciate his real worth.

       A. do I begin                                         B. did I begin

       C. I began                                             D. had I begun

32、    surprised me most      to see some of the village people seated on the benches at the end of the room.

       A. What; was                                   B. What; were

       C. That; was                                    D. That; were

31、The teacher demanded that the exam      before eleven.

     A. would be finished                            B. must be finished

     C. be finished                                      D. must be finishing

30、 John dashed back into the room, and saw     .

     A. what wrong was                                   B. what was wrong

     C. if wrong was                                        D. if was wrong

29、    , I wouldn’t refuse his invitation.

     A. Were I you                                  B. If I should be you

     C. If I am you                                  D. If I had been you

28、--I’ve got a cough and this place hurts. I’m afraid of getting a deadly disease.

--__________. We’ll have you examined.

A. Don’t mind                                    B. You should learn to protect yourself 

C. Keep calm. You’ll recover soon.      D. Take it easy

27、--- David said he could fix my computer, but I really doubt it.

---______. He is very good at such sort of thing.

A. Don’t worry                    B. Of course          C. A piece of cake             D. Never mind

26、---______ when have a lot more Japanese farmers settled in California?

---The 1980’s.

A. From                   B. During              C. Since                       D. After