Question

2道英语选择题，已给出答案，请解释一下.

-When did you _B_ English?-Seven years ago.So I can talk with the foreigners easily.
A stop learning B start learning C stopped learning D started learning
为什么不选A？？

Mother worked hard at home _A__ last Sunday.
A all day B all the day C the all day D for all day
为什么不选B？？

Answer 1

1,题目的逻辑是你什么时候开始学英语的，当然是Start了，stop逻辑上讲不通，没人这么说
2all day （long）一整天的意思 all the day指某一天，多用于过去时