You should get up early _______ you would catch the train.
#55794
A
or
B
because
C
but
D
so that
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—What’s the matter with you? You look so worried.-- I don’t know ___________ the problem.
#57173
A
what to solve
B
how to solve
C
to solve what
D
how can I
You can’t get good grades______ you study hard.
#55627
A
when
B
because
C
unless
D
that