问题补充:
----are they staying in Beijing?
----For three days.
A. How often
B. How long
C. How old
D. How soon
答案:
A. How often
(答案→)B. How long
C. How old
D. How soon
解析:How often 多久一次;How long多长;How old 多大;How soon多久。根据下文答语,大约三天。可知上文提问时间长短,故选B。
时间:2022-04-17 22:24:25
----are they staying in Beijing?
----For three days.
A. How often
B. How long
C. How old
D. How soon
A. How often
(答案→)B. How long
C. How old
D. How soon
解析:How often 多久一次;How long多长;How old 多大;How soon多久。根据下文答语,大约三天。可知上文提问时间长短,故选B。