If Paul ______ a job now, he wouldn’t be so unhappy.

     A. has                            B. has had                     C. had                           D. would have

It ______ Sue that you saw last night. She’s abroad with her family.

     A. should have been     B. must have been        C. can’t have been        D. needn’t have been

Only after she had finished the course did she realize she ______ a wrong choice.

     A. had made                 B. has made                  C. had been making      D. was making

You looked exhausted. I think you’ve ______ more than you can handle.

     A. turned on                 B. taken up                   C. turned up                  D. taken on

Pesticide residues in fruit and vegetable can be ______ to health.

     A. crucial                      B. supportive                C. receptive                   D. destructive

Your brother hardly talks to anyone, ______?

     A. does he                     B. is he                          C. doesn’t he                D. isn’t he

Tom denied ______ part in the fighting at school.

     A. to take                      B. take                          C. to taking                   D. taking

The architects have made ______ use of glass and transparent plastic.

            A. imaginative B. imagine       C. imagination            D. imaginatively

We truly respected our father and always ______ by his rule.

     A. submitted                 B. complied                  C. obeyed                     D. abode

The energy ______ from the sun is renewable and environmentally-friendly.

     A. harnessing                B. is harnessed              C. which harnessed       D. harnessed