问题补充:
It them two weeks the computer last year.
A. takes; to work on
B. spends; working on
C. took; to work on
D. spent; working on
答案:
A. takes; to work on
B. spends; working on
(答案→)C. took; to work on
D. spent; working on
解析:spend作为花费主语通常为人,故不选BD,本题中有个去年表示的过去,故用过去时,take的过去时是took,故本题选C。