问题
选择题
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
答案：C
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。