问题补充:
— Who’s singing in the next room?
— It be Mary. She New York.
A. mustn’t, is in
B. must, has gone to
C. could, has been in
D. can’t, has gone to
答案:
A. mustn’t, is in
B. must, has gone to
C. could, has been in
(答案→)D. can’t, has gone to
解析:
试题分析: 句意:谁在隔壁唱歌呢?不可能是玛丽,她已经去了纽约了。Mustn’t千万不要,must肯定,could可能,can’t不可能。is in在,has gone to已经去了某地还没回来,has been in已经在某地。根据语境可知是在此处的不可能是玛丽,因为她已经去了纽约了,故答案选D.