問題補(bǔ)充：
單選題
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 writingB.had wanted; was writingC.had wanted; wroteD.have wanted; wrote
網(wǎng)友答案：
熱心網(wǎng)友 1樓
B解析考查時(shí)態(tài)。had wanted本想要。根據(jù)時(shí)間狀語(yǔ)last night及I’ll have to finish it today說過去一直在做，故用過去進(jìn)行時(shí)，選B。
