Peter( )phone.if he does,could you ask him to ring later?(can,must,may)

问题描述:

Peter( )phone.if he does,could you ask him to ring later?(can,must,may)

您好,
选May
望采纳,谢谢

may
后面说如果他有,你能让他过会儿打过来吗?
那就说明前面不确定有没有,所以用不太肯定的推测 may,表示可能