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You will fall behind others _______ you work hard. 
#55999
A
until
B
when
C
after
D
unless
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--       is the man behind the tree?  -- He is my teacher.
#56086
A
What
B
Where
C
Who
D
Whose
They can’t go out        the strong wind.
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A
because
B
since
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-- Our dreams won’t come true __________ we know what our dreams are.
#56500
A
after
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If all the plants on the earth die, _______ people _________animals will be able to live.
#56732
A
neither; nor
B
both; and
C
not only; but also
D
either; or
Although he is a little boy,_____he speaks English well.
#55889
A
/
B
but
C
so
D
and