Not until we have had a chance to discuss it thoroughly ________ perfectly.
#79660
A
the problem has been settled
B
has the problem been settled
C
will the problem be settled
D
the problem was settled
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The “Warning” reads: “Under no circumstances _____ be kept near fire!”
#81209
A
the chemical should
B
the chemical shouldn’t
C
should the chemical
D
should the chemical not
Only when _________ possible to settle the problem. 
#82886
A
does the chief editor come will it be
B
the chief editor comes will it be
C
does the chief editor come it will be
D
the chief editor comes it will be