[ Grammar ]
I know that one of my students ___in your company since he graduated.
A. worked
B. had worked
C. have worked
Select your answer:
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Grammar Clauses › Viewwhere, wherever
A. to show places
B. to show reasons
C. to show the manner
D. to show the time
Grammar › View
I am sorry I don’t know how to use the computer.If only I (know)______ how to use it
A. knew
B. known
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