7.-You ought to have made an apology to Tom yesterday evening.
-Yes,I know I________.( )
-Yes,I know I________.( )
A. | ought to have | B. | have to | C. | should | D. | must have |
6.Going on a trip into _______ space must be quite _______ exciting experience.( )
A. | /; the | B. | the; the | C. | the; an | D. | /; an |
20.Shelly ______ Shanghai for Beijing in 2008 and ______ there ever since.( )
A. | leave; worked | B. | has left,has worked | ||
C. | left; has worked | D. | has left; worked |
19.I knew we would be good friends I met her.( )
A. | for the first time | B. | the first time | ||
C. | at the first time | D. | in the first time |
18. a reply,he decided to write another letter to the personnel manager about his job application.( )
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A. | Not receiving | B. | Not received | ||
C. | Not having received | D. | Having not received |