单项选择 较易0.85 引用1 组卷79
I lost the instruction book and so I had to find out how to use the machine ______.
| A．by fair means or foul | B．by more effort |
| C．by trial and error | D．by mistake |
21-22高二下·天津·单元测试
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I was aiming at the tree but hit the car________(错误地).
| A．in that case | B．once in a while | C．from time to time | D．by mistake |
I lost the instruction book and so I had to find out how to use the machine ______.
| A．by fair means or foul | B．by more effort |
| C．by trial and error | D．by mistake |
Columbus’s discovery of the “New World” took place _______.
| A．on purpose | B．by accident |
| C．by heart | D．by mistake |
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