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题目内容
（西安科技大学-大学英语2）
【单选题】
When the engine would not start, the mechanic inspected all the parts tofind what was at ___.
A、
wrong
B、
trouble
C、
fault
D、
difficulty
When the engine would not start, the mechanic inspected all the parts tofind what was at ___.
A、
wrong
B、
trouble
C、
fault
D、
difficulty
参考答案
