题目内容
The machine didn’t work well, but the workers didn’t find what _________.
A. the matter is with it B. is the matter with it
C. the matter was with it D. was the matter with it
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题目内容
The machine didn’t work well, but the workers didn’t find what _________.
A. the matter is with it B. is the matter with it
C. the matter was with it D. was the matter with it