问题
选择题
| — Must I turn off the gas after cooking? — Of course. You can never be_____careful with that. |
A. enough B. too C. so D. very |
答案
答案：B
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| — Must I turn off the gas after cooking? — Of course. You can never be_____careful with that. |
A. enough B. too C. so D. very |
答案：B