问题补充:
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:
A. work over
(答案→)B. work out
C. work up
D. work in
解析:work out 在此表示“有预期结果”;work over 意为“调查,重做”;work up 意为“逐步建立,逐步发展”;work in 意为“配合,引进”。