29. You may use the room as you like ___ you clean it up afterwards.
A. so far as
B. so long as
C. in case
D. even if
(责任编辑:admin) |
29. You may use the room as you like ___ you clean it up afterwards.
A. so far as
B. so long as
C. in case
D. even if
(责任编辑:admin) |