题目内容：

The meeting,_ he was absent,is_ important. A.whic
The meeting,_ he was absent,is_ important.
A.which,important
B.from which,of great importance
C.that, important
D.from which,of great important

优质解答

B.from which,of great importance
be absent from.缺席
be very important= be of great importance 很重要
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