Yunnan ______from serious drought since 2009, so it’s our duty to save water eve
题型：不详难度：来源：
Yunnan ______from serious drought since 2009, so it’s our duty to save water every day.| A．suffered | B．has been suffering | C．has been suffered | D．have been suffering |
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答案
| B |
解析
试题分析：考察时态。本题中的时间状语是since 2009,since通常与现在完成时连用。动词suffer from…患….；遭受..；句意：自从2009年以来云南省一直都遭受干旱，所以每天都节约用水是我们的责任。根据句意说明是从2009年以来，一直都是这样的情况，所以使用现在完成进行时。故B正确。
点评：时态题的考查关键是抓住句子的上下文含义和句中的时间状语。要根据时间状语来选择合适的时态，在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处。如since， so far等经常与现在完成时连用。在条件状语从句中用一般现在时代替将来时等等。 |
举一反三
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