The Smiths came to Shanghai in they there for three years since then.A. liveB. lived

问题补充：

The Smiths came to Shanghai in ,they there for three years since then.

A. live

B. lived

C. have lived

D. will live

答案：

A. live

B. lived

(答案→)C. have lived

D. will live

解析：本题考查现在完成时的用法，根据句子的意思“从那时起他们住在那儿已经三年了。”，应用现在完成时。