There is no doubt ________ Tom is a good clever boy.
#93495
A
whether
B
if
C
when
D
that
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Not having worked out the program, ________ leave the office. 
#93247
A
so he was forbidden to
B
and he didn’t want to
C
his little son couldn’t make him
D
be couldn’t free himself to
These shoes look very nice. I wonder _______________.
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A
how much they are cost
B
how much do they cost
C
how much are they cost
D
how much they cost