What a pity! Liu Xiang didn’t win the_____hurdles（跨栏）.

  A.110-meter              B.110-meters            C.110 meter

What a pity! Liu Xiang didn’t win the_____hurdles（跨栏）.
A.110-meter              B.110-meters            C.110 meter

What a pity! Liu Xiang didn’t win the_____hurdles（跨栏）.
A.110-meter              B.110-meters            C.110 meter

Yao Ming works hard on his English and _____________.

1. A.
   so Liu Xiang does
2. B.
   so is Liu Xiang
3. C.
   so does Liu Xiang
4. D.
   so Liu Xiang is