The villagers have already known we'll do is to rebuild the bridge. A．this B．tha
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The villagers have already known ______ we'll do is to rebuild the bridge.
A．this
B．that
C．what
D．which
试题答案
C解析：句意：村民们已经知道我们要重建这座桥。分析句子结构可知，known后跟宾语从句，省略了连接词that。此宾语从句中又包含一个主语从句，主语从句中do缺少宾语，所以用what引导该从句作整个宾语从句的主语，答案为C项。