—Haveyoufinishedmakingthemodelshipforme?—I’mterriblysor...

問題詳情：

—Have you finished making the model ship for me?

—I’m terribly sorry, but I ______ my homework all day yesterday.

A. was doing              B. would do             C. had done               D. was about to do

【回答】

A

知識點：過去進行時及其被動式

題型：選擇題