Doctor Smith has made another wonderful discovery, _______ great importance. 
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
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The reason       he is late is    there was a breakdown on the railway.
#32671
A
why; that
B
because; that
C
that; because
D
why; why
____the plan has been made, let’s get down to ____it out.
#80078
A
Now that...carry
B
Because...carry
C
Since...carrying
D
Now...putting
________I’m concerned, we are going to take an exam in a month.
#31162
A
As long as
B
As far as
C
Just as
D
Even if