问题
选择题
Besides our group, we need some 20 extra workers _____ to get the work finished in time. [ ]
A. around
B. about
C. or so
D. X
答案
答案：C
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Besides our group, we need some 20 extra workers _____ to get the work finished in time. [ ]
A. around
B. about
C. or so
D. X
答案：C