He invited all of his ______ to join his wedding party为什么选cHe invited all of his ______ to join his wedding party A.comrade-in-armsB.comrades-in-armsC.comrades-in-armD.comrade-in-arm 以可数名词加介词短语构成复合词变复数时不是要把前面的名词变复数
问题描述：
He invited all of his ______ to join his wedding party为什么选c
He invited all of his ______ to join his wedding party
A.comrade-in-arms
B.comrades-in-arms
C.comrades-in-arm
D.comrade-in-arm
以可数名词加介词短语构成复合词变复数时不是要把前面的名词变复数
答