Don’t turn off the computer before closing all programs, _________ you could have problems.
#30878
A
or
B
and
C
but
D
so
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________ he stops driving himself like this, he'll have a breakdown.
#30254
A
Until
B
Once
C
Since
D
Unless
—How long do you think it will be___ the Stock Market returns to normal?—At least one year, I guess.
#32339
A
before
B
when
C
until
D
that
I really wonder__________ he has posted me many parcels___________ we didn’t work together.
#79843
A
that; before
B
which; since
C
X; when
D
that; since
I think you could complain, _______, of course, you are happy with the way thing s are.
#33082
A
unless
B
that
C
which
D
where