问题
单项选择题
In 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
参考答案：A
解析：
the "r" sound和drop应该是被动关系，表示字母“r”的发音“被略掉”，排除 B。句子为一般现在时，故选A。