Where are the teachers now？
In the meeting room． They _________ the meeting for 10 minutes．（ ）
A．have begunB．have been on
C．have hadD．have been held
Where are the teachers now？
In the meeting room． They _________ the meeting for 10 minutes．（ ）
A．have begunB．have been on
C．have hadD．have been held
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