[讨论]几道语法题，97-98年的

farsuccess

1应该是把C的that not中间加上does，不知道对不对？ 对，用助动词构成否定，这是必须的

an earthqueake that jolted what is now Seattle about a thousand years since may have caused major landslides.

since 引导原因从句，此句缺了主语

改成：since it