问题描述：
英语单项选择（初一）
Look!there( )playing with the tourists on Yinhe square.
A.are a number of deer B.are a number of deers
C.is a number of deer D.is a number of deers
请细讲一下原因,a number of deer(s)的意思
Look!there( )playing with the tourists on Yinhe square.
A.are a number of deer B.are a number of deers
C.is a number of deer D.is a number of deers
请细讲一下原因,a number of deer(s)的意思
问题解答：
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