问题
选择题
. If the new arrangement doesn’t _____， we’ll go back to the old one.
A．work over
B．work out
C．work up
D．work in
答案
答案：B
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. If the new arrangement doesn’t _____， we’ll go back to the old one.
A．work over
B．work out
C．work up
D．work in
答案：B