Even if we learn something well, we will forget it ______ we use it.
- A.while
- B.until
- C.unless
正确答案及解析
正确答案
C
解析
句意：即使我们学得很好，除非我们使用它，否则我们也会忘记。
考查unless引导的条件状语从句。while当……时；until直到；unless除非。分析句子可知，此处表示“即使我们学得很好，除非我们使用它，否则我们也会忘记”的含义，是unless引导的条件状语从句，强调“除非”，其他两项语意不通。故选C。
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