—Haveyoufinishedmakingthemodelshipforme?—I’mterriblysor...
问题详情:
—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
知识点:过去进行时及其被动式
题型:选择题