题目内容
19．In the past several weeks，many cities in Southern China ______ severe cold．（ ）| A． | had experienced | B． | would experience | ||
| C． | have been experiencing | D． | experienced |
分析 句意：在过去的几周里，华南的很多城市一直在经受严寒．
解答 答案C．"had done"强调过去的过去，表示过去有两个动作，先发生的动作用过去完成时，后发生的用一般过去时；"would do"表示相对于过去的某个时间来说将要发生的动作；"have been doing"表示过去发生的动作一直持续到现在，可能刚刚结束，也可能还会继续进行下去；"Ved"过去的客观事实．根据句意，在过去的几周里，华南的很多城市一直在经受严寒．表示过去发生的动作，还可能继续持续下去，故选C．
点评 本题考查现在完成进行时，要掌握其用法并结合具体的语境选择出正确的选项．
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