[ Grammar ]
John ___ at the bookstore.
A. work
B. works
C. working
D. worked
Select your answer:

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Grammar › ViewIf you ________ this job, you would have earned some money.
A. had done
B. did
Grammar › View
If you — the red button, you — the download.
A. click, will cancel
B. had clicked. would have canceled
C. clicked, would cancel
