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 You’ll fail the exam _____ you work hard. 
#56166
A
if
B
unless
C
or
D
so
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—          does he have music lessons?     —Twice a week.
#56111
A
How long
B
How far
C
How often
D
How much
---_______ beautiful music it is! 
#55400
A
What
B
How
C
What a
D
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“Everyone thinks of changing the world, _______ no one thinks of changing himself.” A famous Russian writer once said.
#57788
A
so
B
because
C
and
D
but
       our football team failed in the match, we did our best.
#58376
A
Though
B
But
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As
Cross the road carefully, _________ you’ll keep yourself safe.
#57533
A
so
B
or
C
but
D
and