问题补充:
— Where ’s your mother ?
— She Shanghai . She won’t be back next week .
A. has gone to, until
B. has been to, until
C. has been to ,after
D. has gone to, after
答案:
(答案→)A. has gone to, until
B. has been to, until
C. has been to ,after
D. has gone to, after
解析:句意:你的母亲在哪儿?——她已经去了上海。直到下周她才回来。在完成时态中has been to 是已经去过某处,并且已经回来了。has gone to 是已经去了某处,但是到目前为止还没有回来。After在……之后;until直到,常和not一起搭配使用,not……until直到……才,结合语境可知选A。