Question

– What were you doing when I called you last night?
– I ______ my homework and was going to bed.
A. did                      B. had done             C. was doing

Answer 1

B

解析試題分析： had+動(dòng)詞過(guò)去分詞構(gòu)成過(guò)去完成時(shí)，表示的是過(guò)去的過(guò)去，答語(yǔ)中g(shù)o to bed是過(guò)去將來(lái)時(shí)，do my homework發(fā)生在go to bed之前，即過(guò)去的過(guò)去，要用過(guò)去完成時(shí)had done my homework.句意：昨天我給你打電話(huà)的時(shí)候，你正在做什么？我完成作業(yè)正要去睡覺(jué)。故選B。
考點(diǎn)：考查過(guò)去完成時(shí)的用法。