[ Phrasal Verb ]
fail to keep up with
A. fall into
B. Fall in
C. fall behind
D. Fall on

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Grammar › ViewI ______ in the morning.
A. well exercise
B. exercise a lot
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My friend has _____ books.
A. hardly
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Grammar › ViewOne combination is not possible: source of
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Basketball is a very popular spectator sport ___ Indiana.
a. about
b. in
c. for
