She's back from Australia,____ she ? A wasn't B doesn't C isn't D hasn't为什么不能选A,句中没有体现时态的词啊?求详细点的解释.
问题描述：
She's back from Australia,____ she ? A wasn't B doesn't C isn't D hasn't
为什么不能选A,句中没有体现时态的词啊?求详细点的解释.
答
C
有体现时态的词's就是
She's有两种可能
she has 或者she is
分析成分可知如果是she has,那么句子中无动词
应该这么说,She's been back from Australia
所以She's表示She is,所以选C