高中英语非谓语动词单选题.
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高中英语非谓语动词单选题.
On reaching the top of the mountain,we were pleased to find the tree ____ five years ago had grown tall.
A.planted B.having been planted
请大侠解释下这两个选项的区别.什么时候可以选B?
On reaching the top of the mountain,we were pleased to find the tree ____ five years ago had grown tall.
A.planted B.having been planted
请大侠解释下这两个选项的区别.什么时候可以选B?
![高中英语非谓语动词单选题.](/uploads/image/z/8046352-64-2.jpg?t=%E9%AB%98%E4%B8%AD%E8%8B%B1%E8%AF%AD%E9%9D%9E%E8%B0%93%E8%AF%AD%E5%8A%A8%E8%AF%8D%E5%8D%95%E9%80%89%E9%A2%98.)
A 注意空格后面是tree ____ five years ago 说明是五年前中的那棵树
而B的话应该改为这样tree ____ for five years
而B的话应该改为这样tree ____ for five years