The question occurred to me ______ we were to get the machine needed.
#71666
A
that
B
what
C
why
D
where
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I received a letter， poor spelling made me think it was written by a child．
#66938
A
which
B
that
C
whose
D
who
The new driving test seems to be challenging，so the chances ________ he can pass it at the first attempt are small.
#67083
A
how
B
whether
C
that
D
where
The problem will appear____ a different welfare system will be created.
#67620
A
unless
B
whether
C
until
D
if
_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
#67717
A
Whatever; that
B
However; as
C
Whatever; which
D
However; that