The question that puzzles them is ___they can finish the work on time. 
#84854
A
what it is that
B
what is it that
C
how is it that
D
how it is that
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It was only with the help of the local guide _______.
#84810
A
was the mountain climber rescued
B
that the mountain climber was rescued
C
when the mountain climber was rescued
D
then the mountain climber was rescued
I wonder        that makes him so sad.
#85248
A
why it does
B
what he does
C
how it is
D
what it is
It is you as well as your wife that ______ your son's bad performance at school.
#85418
A
is to be blamed for
B
are to be blamed for
C
are to blame for
D
is to blame for