题目内容
14．I will tell him the news he comes back．（ ）| A． | while | B． | as | C． | as soon as |
分析 他一回来我就告诉他这个消息．
解答 答案C while意为"当…的时候"；as意为"当…的时候"；as soon as意为"一…就…"一个动作发生后，接着就做另一个动作，从句中的时态经常用一般现在时表示将来．根据"he comes back"以及"I will tell him"可知从句中用了一般现在时表将来，他一回来，我就会告诉他，所以要用as soon as，故选C．
点评 首先要掌握这三个词和短语的意思，然后结合具体的题意做出正确选择．
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