问题
选择题
Look! We can't cross the bridge. It _______ by some workers. [ ]
A. repairs
B. is repaired
C. is being repaired
D. is repairing
答案
答案：C
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Look! We can't cross the bridge. It _______ by some workers. [ ]
A. repairs
B. is repaired
C. is being repaired
D. is repairing
答案：C