问题
选择题
The workers had been ____ strike ____ almost a month. [ ]
A. on; in
B. at; in
C. on; for
D. on; during
答案
答案：C
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The workers had been ____ strike ____ almost a month. [ ]
A. on; in
B. at; in
C. on; for
D. on; during
答案：C