题目

In the spoken English of some areas in the US, the "r" sounds at the end of the words       .      A. are dropped                   B. drop      C. are being dropped             D. have dropped 答案： A 考查时态和语态。句意为：在美国有点地方的口语中，单词结尾的"r"音通常被省略了。  

查看本题答案和解析