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xuan ze ti 1111

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1.tens of trees were cut down during the night , but no one know( ) a.who b. by whom c.who to do so d.who does that 请老师详细解答 考试常出这样语法性强的题 有没有什么技巧在里面呢?
xuan ze ti 1111
解题思路: wh-从句若是被动结构,主谓语亦可全部省略,只保留“by + wh-词”: The vase was broken by someone,but I wonder by whom(the vase was broken).这花瓶被人打碎了,但我不知道是谁干的。
解题过程:
正确答案是B。
句中省略了by whom(the trees were cut down).
语法知识链接:
wh-从句若是被动结构,主谓语亦可全部省略,只保留“by + wh-词”:
The vase was broken by someone,but I wonder by whom(the vase was broken).这花瓶被人打碎了,但我不知道是谁干的。
wh-分句中被省略的部分必须与先行项在语态上保持一致:
Someone has broken my vase,but I don't know who.有人把我的花瓶打碎了,但我不知道是谁干的。(主格)
The vase was broken by someone,but I don't know by whom.(宾格)
不可以说:
Someone has broken my vase,but I don't know by whom.The vase was broken by someone,but I don't know who.
如果从句相同而wh-词不同则可省略第一个从句而把两个wh-词连接起来:
I want to know by whom(it was ordered)and for whom it was or-dered.我想知道这是由谁定购的、为谁定购的。

最终答案:略