学帮网the patient's son asked the doctor the question ____his father could survive.if和whether用哪个
来源：学生作业学帮网 编辑：学帮网 时间：2024/06/05 00:52:23
the patient's son asked the doctor the question ____his father could survive.if和whether用哪个
the question 后面是个同位语从句,在名词性从句中,引导同位语从句时,只能用whether ,不能用if .