The fact is ____they disagree with each other. 2.Doesnt Mr. Smith live on this street? ---No .This is ____Mr. Brown lives. 3.My hope is _____he will become a doctor in the future. 4.The question is _______they will be able to help us. 5.That was _____she did this morning on arriving here. 提示:That, /, If, Whether, What, Who, Where, How, Why