问题补充:
—Where’s your mother ?
--She has gone shopping with my aunt . She’ll be back .
A. in a while
B. for a which
C. once in a while
D. a while
答案:
(答案→)A. in a while
B. for a which
C. once in a while
D. a while
解析:考查情景交际和短语辨析。in a while“一会儿,过不久”;for a while“暂时”;once in a while“有时”。句意“你的妈妈在哪里?”“他和阿姨去购物了,一会儿就回来。”in a while与将来时连用。故选A。