________ in the company for three years, Mark has become experienced business negotiations.
A. Having worked
B. Have been working
C. Have worked
D. Worked
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Let us ____________the routine and drive to work by a different route.
A. handle
B. mind
C. vary
D. suspect
The little girl entered the room without .
A. noticing
B. notice
C. being noticed
D. noticed
Pollard spends his free time ____________ together new basketball teams in hishometown.
A. putting
B. having put
C. to put
D. being put
Would you mind ____________ the radio?
A. turn off
B. to turn off
C. turning off
D. to be turned off
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