问题补充:
Yao Ming works hard on his English and
A. so Liu Xiang does
B. so is Liu Xiang
C. so does Liu Xiang
D. so Liu Xiang is
答案:
A. so Liu Xiang does
B. so is Liu Xiang
(答案→)C. so does Liu Xiang
D. so Liu Xiang is
解析:“so+助动词(情态动词或连系动词)+另一主语”,表示前面的情况也适用于后者。So+主语+助动词(情态动词或连系动词)是对上文所说的情况加以肯定。如果上文是否定形式则要将so换成neither。联系前文,姚明努力学习英语。可知下文指的是刘翔也是这样做。故选C。