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— It’s time to go to bed, Mary. — Oh, Mum, I won’t go to bed _____ I have finished my homework.
#57807
A
after
B
until
C
since
D
because
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 -- Would you like to go to the concert with me?-- I’d love to, _________ I’m afraid I have no time.
#55167
A
so
B
or
C
and
D
but
--- When did your father come back last night?--- He didn’t come back _______ he finished all the work.                                                           
#56358
A
until
B
while
C
if
D
unless
--- This history book is of great value. --- Exactly. ____________ can be enjoyed from it ____________ you have a deep understanding of it, however. 
#55378
A
Nothing; unless
B
Few; till
C
Something; until
D
Little; since
_______ everyone is here, let’s begin our meeting.
#55645
A
So
B
As a result
C
Until
D
Since
Don’t get off the bus ________it has stopped.
#55561
A
until
B
if
C
because
D
though
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