单选题 He ______ his father's office several times this morning, but each time the line was engaged.
【正确答案】 B
【答案解析】telephone意为“打电话”,指与……进行电话联系,打电话给……,后面接人;dial意为“打电话,向某地通话”,指在电话上拨号呼叫,后面可接人,也可接地点;communicate意为“联络,通信”,指传递关于……的信息,通常与with搭配使用;recall意为“使回忆,回想”,指使想起……,后面接人或事情。根据空格后面的his father's office(他父亲的办公室)可知,应该选用dial。