14．一How long do you think it will be       we know the result of the job interview？
一About one month．（　�。�
A．whenB．beforeC．afterD．until

分析 ---你覺得要過多久我們才會知道面試的結(jié)果？
---大約一個月．

解答 答案：B
分析句子結(jié)構(gòu)可知，該問句符合"It+（will ）be+時間段+before …"的結(jié)構(gòu)； 意為："過了多久才…"；本句的意思為：要過多久我們才會知道面試的結(jié)果；故選B

點評 本題考查從屬連詞before的用法：
1．before 作從屬連詞時，意為"在…之前，還沒來得及…就"；She left the company before I could have a word with her．2．用于句型"it be+時間段+before …"表示"過了多久才…"It will be half a year before you graduate from this school；3．趁…（還沒有）；Do it before you forget it．
另外，還應(yīng)注意until與before的區(qū)別：before 在…之前；比…早些；強調(diào)時間先后關(guān)系；until在…以前；直到…時；當(dāng)主句是肯定句時，表示主句動作的終止時間；主句是否定句時，強調(diào)主句動作的起始時間．

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