Topics: Perfect Tenses
I —- (work) for big companies like this before. I know how they operate.
A. have worked
B. had worked
C. will have worked
Select your answer:

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Grammar › ViewThey __________ work everyday at 7 o’clock
A. are starting
B. starts
C. have starting
D. start
Prepositions › View
Mark is really good ____________ sports.
A. at
B. on
C. of
D. for
