You ______ where you leave your things.
A. always forgot
B. have always forgotten
C. are always forgetting
D. will always forget
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Mr. White works with a chemical import&export company, but he ______ for this industrial fair, since he is on leave.
A. has worked
B. works
C. has been working
D. is working
How can I ever concentrated if you ______ continually ______ me with silly questions?
A. have, interrupted
B. had, interrupted
C. are, interrupting
D. were, interrupted
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