问题描述：
We have to work hard, ______ we’ll lose the chance.
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考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | B |
| 略 |
We have to work hard, ______ we’ll lose the chance.A． thereforeB． otherwiseC． besidesD． however
We have to work hard, ______ we’ll lose the chance.A． thereforeB． otherwiseC． besidesD． however
最佳答案： 