everyone felt the task was tough.I never thought of giving up．( )A．WhileB．OnceC．IfD．Until 题目和参考答案——青夏教育精英家教网—

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14．____ everyone felt the task was tough，I never thought of giving up．（　　）

A．

While

B．

Once

C．

D．

Until

分析虽然每个人都觉得这项任务很难，但我从来没有想过放弃．

解答答案A．
while表示"当…的时候"，引导时间状语从句；意为"尽管、虽然"，引导让步状语从句；意为"而、但是"，引导比较状语从句．once"一旦"，引导时间状语从句．
if"如果"，引导条件状语从句．until"直到"，引导时间状语从句．分析可知前后两句话之间是逻辑上的"让步"关系，再结合句子所表达的意思可知答案选A．

点评本题考查从属连词的用法．从属连词的用法辨析，要注意分析主从句之间的逻辑关系，再确定相应的连词，同时注意不同的连词的语义及用法区别．

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