问题补充:
— What do you think of the young lady?
— She is hard-working. She all her effort into her work before she got ill.
A. has put
B. put
C. had put
D. would put
答案:
A. has put
B. put
(答案→)C. had put
D. would put
解析:句意:你认为那个年轻的女士怎么样?她很勤奋。她把所有的精力都放在了工作上直到病倒。she got ill为一般过去时,在这之前的动作应为“过去的过去”,即用过去完成时;故选C。