Tomwith his grandmother for eight years but now he is living by himself.A. livesB. 1ivedC.

问题补充：

Tomwith his grandmother for eight years，but now he is living by himself.

A. lives

B. 1ived

C. has lived

D. has been living

答案：

A. lives

(答案→)B. 1ived

C. has lived

D. has been living

解析：考查时态。根据语境可知汤姆过去与他奶奶生活8年，故用一般过去时态。句意：汤姆与他奶奶生活了8年，但现在独自生活了。