问题
选择题
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
答案：C
so引导的倒装句，根据下文的主语是否与上文一致，若一致，就用不完全倒装，如果与上文不一致，就用完全倒装，本题的第二句的主语与第一句的主语不一致，故选C