the meet___over, our headmaster soon left the meetting room.A is Bwas C beingDhave been

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the meet___over, our headmaster soon left the meetting room.A is Bwas C beingDhave been

the meet___over, our headmaster soon left the meetting room.A is Bwas C beingDhave been
the meet___over, our headmaster soon left the meetting room.A is Bwas C beingDhave been

the meet___over, our headmaster soon left the meetting room.A is Bwas C beingDhave been
1、名词+现在分词“结构,属于独立主格结构
2、其实用排除法也可以选出正确答案,
our headmaster soon left the meetting room由后面这个完整的句子可知道,
前面the meet___over缺少的就是谓语,但由于后面的句子已经有谓语了,一个句子中只能有一个谓语,所以此处要用非谓语,符合的就只有C了~
非谓语有三种形式:
不定式 --to do
现在分词--ing
过去分词--ed

C being为正确选项。
The meeting being over,是”名词+现在分词“结构,属于独立主格结构,相当于一个时间状语从句When the meeting was over.
祝你进步

B was 会议结束了,我们的校长很快离开了会议室。our headmaster soon left the meetting room.中的left是leave 的过去式,所以the meet___over用过去式。.

应该是B:was
the meet was over, our headmaster soon left the meetting room.
意思是:会议结束时,校长很快就离开了会议室。
望采纳~O(∩_∩)O~

C being
独立主格结构