So many directors ______, the board meeting had to be put off.

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问题 So many directors ______, the board meeting had to be put off.

选项 A、were absent
B、being absent
C、been absent
D、had been absent

答案B

解析 在句号前不能出现两个既不是并列关系也不是从属关系的句子,换句话说,同一个句号前不能出现两个既不是并列也不是从属关系的谓语动词。因此在空格处不能使用谓语动词,但我们可以使用独立主格结构,作状语,表示原因。例如:The experiment being over,the students began their discussion.做完实验,学生们开始讨论。Other things being equal,iron heats faster than aluminum.其他条件相同的情况下,铁比铝加热快。N
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