下列句子中,加点的成语使用不恰当的一项是( )
下列各句中,没有语病的一句是(2分)
Do you have a QQ number? We can _____ each other easily on the Internet.[ ]
What _____ will it make whether he knows this or not?
It’s said to be a case of murder_______ the children were used by adults.