Though Jack has failed twice in _____ PE test, he decided to have _____ third try.

A. the; the                     B. a; the                    C. a; a                    D. the; a

–Why, Simon. Someone seems to have called you over there.

   --Yes? I _______ that.

A. am not realizing        B. haven’t realized      C. didn’t realize         D. don’t realize

The position, however, _______ you are applying, is not quite a well-paid one.

A. that                             B. for which                       C. which              D. to which

________ help the people in the snowstorm in the South made him worried.

A. Not known how to                  B. Unknown what to do to         

C. His knowing not how to           D. His not knowing how to

 The conference was attended by more than 11,000 people, _____ it the largest UN climate change gathering ever held.

A. making                      B. to make              C. made                 D. to be making

—Got your driving license?

—No. I _____ too busy to have enough practice, so I didn’t take the driving test last week.

A. will be                                   B. am                          C. have been                D. had been

–Better get down to your work, Tom.

   --_________.

A. It’s my pleasure                               B. Don’t mention it                       

C. Mind your own business                     D. You’re welcome

______ my camera wasn’t working; there is no battery in it.

A. No doubt                       B. No wonder            C. No possibility               D. No way

The first prize goes to _______ makes the greatest contribution to the company.

A. whomever               B. whichever                C. no matter who               D. whoever

 If you                  the medicine, you                      better now.

A. took, would feel              B. had taken, felt    C. had taken, would feel          D. took, would have felt