问题补充:
—Did you watch the film Frozen on the Internet yesterday?
— No, I my mother do housework all day.
A. was helping
B. would help
C. had helped
D. help
答案:
(答案→)A. was helping
B. would help
C. had helped
D. help
解析:句意:你昨天在网上看了 Frozen这个电影吗?--没有,我整天都在帮助妈妈做家务。这里的all day是指昨天一整天,所以help这个动作是过去的一段时间正在做…,用过去进行时,所以选A。