----- Our holiday cost a lot of money. ----- Did it? Well, that doesn’t matter ________ you enjoyed yourselves.
#32310
A
unless
B
as soon as
C
as long as
D
though
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The little boy was allowed to go swimming _______ he kept near the other boys. 
#31481
A
provided that
B
in case
C
now that
D
by the time
 Mr. Green has made another wonderful discovery,  ______ great importance to science.
#34201
A
which I think is of
B
which I think it is of
C
that I think is of
D
I think which is of