Do you have any idea ______ on earth has happened to our friend?
#93004
A
that
B
what
C
as
D
which
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The snow is so deep. We can hardly get out of the house, ______?
#93134
A
mustn’t we
B
must we
C
can’t we
D
can we
 No one can be sure _____________ in a million years. 
#95081
A
what man will look like
B
what will man look like
C
man will look like what
D
what look will man like