三道英文选择题,简单说下原因
46,he is the one ______ saved the lettle boy .A,who B,that C,which D,what
47,strange ______ his behavior may be ,there is very good reason for it.A,although B,even if C,that D,as 48.he had hardly had time to settle down _______ he sold the house and left.A,when B,before C,after D,while