--- 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】

試題解析：考查虛擬語氣。would have done表示對過去已發(fā)生的事情的推測，表示對過去事情的假設(shè)，譯為本來會做，但是沒有做，must+have+done”表示對過去事情的肯定推測，譯成“一定做過某事”，該結(jié)構(gòu)只用于肯定句，故排除B,句意：我們上周種的那些新樹怎麼樣了？樹可能會長的很好吧，但是我沒有去給他們澆過水。故選C。

考點(diǎn)：考查虛擬語氣。

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