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8. Mr Black is the professor_________I have the greatest respect.

A.to whom                                   B.for whom

C.whom                                     D.who?

　　 He’s unlucky, and he’s always suffering _____ luck one after another.

　　A. a sick     B. an ill     C. sick     D. ill

　　 The manager decided to give the job to ____ he believed had a strong sense of duty.

　　A. whoever          B. whomever

　　C. who              D. those

The first use of atomic weapons was in 1945, and their power ____increased enormously ever since.

A. is   B. was  C. has been  D. had been.

The headmaster is to give a formal_______ at the annual ceremony.

A. address                    B. argument                  C. debate                      D. remark

Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.

A. anxiety        B. marks               C. signs                 D. remarks

When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.

   A. opportunity    B. possibility    C. occasion    D. chance

Anger is good for you, ____ you control it properly, according to new psychology research.

A.     whether  B. when  C. as long as  D. in case 

If the boy had _____ the dog alone it wouldn't have bitten him.

   A. set    B. left    C. had    D. put

Though _____ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.

   A. raised    B. grown    C. developed    D. cultivated