I to help you but I was not able to spare any time. I a paper last night and I’ll have to finish it today.
A. wanted; have been writing
B. had wanted; was writing
C. had wanted; wrote
D. have wanted; wrote
网友回答
A. wanted; have been writing
(答案→)B. had wanted; was writing
C. had wanted; wrote
D. have wanted; wrote
解析：考查时态。had wanted本想要。根据时间状语last night及I’ll have to finish it today说过去一直在做，故用过去进行时，选B。