根据汉语意思完成句子:杰克正在和他的表弟通电话 jack is_______ ________ the ________ to his cousin.
问题描述：
根据汉语意思完成句子:杰克正在和他的表弟通电话 jack is_______ ________ the ________ to his cousin.
答
杰克正在和他的表弟通电话.
Jack is (talking on) the (phone) to his cousin.
on the phone,通过电话.