Topics: Modals
There are no stamps. I ………….. buy some at the post office.
A. must
B. may not
C. mustn’t
D. don’t have to
Select your answer:

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Grammar › ViewMy brother _____ a bear an hour ago.
A. seen
B. saw
C. sees
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I read _____ book every day.
A. a
B. an
C. some
