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
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