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Smile to the world, ________ the world will smile back to you.
#56394
A
nor
B
but
C
or
D
and
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You can’t pass the exam ______ you study harder.
#57077
A
unless
B
if
C
when
D
so
The robot did all the housework. _________, Mr. White no longer needed to get up early.
#57829
A
At first
B
At last
C
As a result
D
As usual
 ________ everybody is present and everything is ready , let’s begin our party .
#56249
A
Though
B
Even though
C
Now that
D
Unless
   _______   I  know,  he  is  kind.
#55806
A
As soon as
B
As long as
C
As far as
D
As well as
I won’t watch TV ______ I finish my homework.
#58463
A
while
B
after
C
until
D
as