问题描述：
what to be done
What _________ next will be discussed at the meeting in the afternoon.
\x05 A.can we do\x05B.to be done
\x05 C.shall we do\x05D.to doing
为什么选B呢?A和C不行吗?
What _________ next will be discussed at the meeting in the afternoon.
\x05 A.can we do\x05B.to be done
\x05 C.shall we do\x05D.to doing
为什么选B呢?A和C不行吗?
问题解答：
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