题目内容

--- What happened to the young trees we planted last week?

---The trees _________ well, but I didn’t water them.

A. might grow B. must have grown

C. would have grown D. would grow

C

【解析】

试题解析：考查虚拟语气。would have done表示对过去已发生的事情的推测，表示对过去事情的假设，译为本来会做，但是没有做，must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句，故排除B,句意：我們上周种的那些新树怎麼樣了？树可能会长的很好吧，但是我沒有去給他們浇过水。故选C。

考点：考查虚拟语气。

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3.

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Several factors have been found to shorten telomeres, including smoking, radiation and psychological stresses such as being treated badly when young and taking care of a chronically ill person.

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