You may use the room as you like ________ you clean it up afterwards.
#32261
A
as far as
B
so long as
C
in case
D
even if
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that we can’t get the necessary equipment , we will have to give up the experiment.
#31995
A
If
B
Supposed
C
Provide
D
Assuming
-– I wonder how much you charge for your services.--- The first two are free the third costs $30.
#80672
A
while
B
until
C
when
D
before
The government has taken some measures to solve the shortage of electricity , but it may be some time _________the situation improves.
#31957
A
since
B
when
C
before
D
unless
Although the old lady has a daughter and two sons ,______ live with her．
#33821
A
none of whom
B
neither of them
C
all of whom
D
none of them