[ Modal Verbs ]
Which modal verb is used to express past ability or possibility?
A. could
B. can
C. must
D. should

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Present Tenses › ViewMy mom often works abroad. This week she _____ in Paris.
A. has worked
B. has been working
C. has been worked
Grammar › View
My father ___ eat eggs in the past, but now he eats 2 eggs a day.
A. used to
B. used not to
C. didn’t use to
D. wasn’t used to