问题
选择题
These words that we should pay attention to on the blackboard.
A．being written
B．are writing
C．are written
D．writing
答案
答案：C
题目分析：句意：我们应该注意的单词写在了黑板上。动作的承受者作主语，用被动语态。其结构是，主语+be+done，单词和写之间有被动关系，故选C。
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