Question

—______ will you come back from Shanghai? —In one month. A．How long ...

—______ will you come back from Shanghai? —In one month. A．How long B．How often C．How soon D．How fast

Answer 1

C

试题分析：句意:-你多久才从上海回来？-一个月以后。how long 多长时间，针对一段时间提问；how often 多久一次，提问频率；how soon 多久，多快，经常跟一般将来时连用；how fast 多快，提问速度。根据句意可知，这里问的是多久才能回来，故选C。