问题补充:
Mary sings English songs well and .
A. Jane does too
B. either does Joes
C. so Janes does
D. so does Jane
答案:
A. Jane does too
B. either does Joes
C. so Janes does
(答案→)D. so does Jane
解析:句意:玛丽唱英文歌唱的很好而且乔斯也唱得很好。“So+助动词/情态动词/be动词+主语”则表示“前面的肯定情况也适用于后者”;而“So+主语+助动词/情态动词/be动词”则表示对前面叙述的肯定;故选D。