Question

—__________ will your father be back?—In two months. A．How long B．How soon C．How often

—__________ will your father be back?—In two months. A．How long B．How soon C．How often D．How many

Answer 1

B

疑问代词辨析。how long 多长时间 how soon 多久才会 how often 多久一次 how many 多少（修饰名词复数）。根据答语“两个月后”可知问题“你爸爸多久才会回来？”故选B。