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、If they __________ earlier than expected, they __________ here now.

A. had started, would be                            B. started, might be

C. had started, would have been                  D. will start, might have been

26、It was about 600 years ago__________ the first clock with face and an hour hand was made.

A. that                         B. until            C. before                     D. when

25、__________ it __________ for your help, I couldn’t have made any progress.
A. Had ; not been   B. Should; not been   C. Did; not           D. Were; not

24、--I’d like to find a job in the library.
-- Good idea, __________ it doesn’t affect your studies.

A. unless               B. as long as          C. now that                 D. even if

23、He suggested that we __________ the plan later, which suggested that he __________ against it.

A. discussed; was                           B. would discuss; should be                

C. discuss; was                              D. should discuss; should be

22、We would not allow her __________ across the enemy line.

A. to risk going          B. risking to go      C. to risk to go          D. risk going

21、The employees could not __________ the pressure of the work, so they chose to leave the company.
A. give up           B. put up with        C. keep away from       D. make up for