问题补充:
-----will your father be back from work?
-----In half an hour.
A. How long
B. How soon
C. when
D. How often
答案:
A. How long
(答案→)B. How soon
C. when
D. How often
解析:How long多长;How soon多久;when什么时候;How often多久一次.根据下文,半个小时后,可知上文提问的是多久,故选B.
时间:2018-12-27 12:30:30
-----will your father be back from work?
-----In half an hour.
A. How long
B. How soon
C. when
D. How often
A. How long
(答案→)B. How soon
C. when
D. How often
解析:How long多长;How soon多久;when什么时候;How often多久一次.根据下文,半个小时后,可知上文提问的是多久,故选B.