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 I’m sorry to have kept you ________ for a long time.

         A. wait       B. to wait     C. waiting     D. to be waiting

 The film __________ for ten minutes when we got to the cinema.

         A. had already been on       B. had already begun

         C. have already been on      D. have already begun

Three years _______ a  long time for us students.

         A. are      B. be     C. is     D. have been

To a doctor, the most important thing is _______.

          A. to save    B. saving    C. to saving   D. saved

Can you tell me ________?

A. what are they doing that for B.why they are doing for

C. why are they doing that D. what they are doing that for

 I’d like to have a nice room _______.

        A. live        B. to live       C. to live in      d. live in

_____ Chinese people are ______ hardworking people.

        A. /,/         B. a,/       C. The, the       D. the,a

 Don’t spend _______ time on computer games.

        A. too much      B. much too     C. too many     D. many too

We found it difficult _______ there on time.

         A. get      B. to get       C. getting      D. got

The Brown flew to Kunming __ a sunny morning.

         A. on       B. in        C. for       D. at