问题补充：
When he was senior 3 student in a high school, Li Hua studied 1.
very hard so as to go to a famous university. He often stays up late2.
in the night. Finally he passed the College Entrance Examination 3.
and was admitted to a key university. And after he went to university,4.
he became very lazy. He wasted time in going to the cinema, played 5.
cards, making friends and doing things that had something to do with 6.
his studies. He often got up late. At many times, he was still in 7.
bed while others were having his lessons in the classroom at ten in 8.
the morning . Int the end of the first term he failed in all exams. As a 9.
result, he had to give up his schooling and leave the university. 10.1.was 后面加a
答案：
(答案→)1.was 后面加a
解析：
1. 缺少不定冠词
2. 文章的前后时态应该是一致的，用过去时态
3. 介词错误
4. 前后逻辑关系是转折关系
5. wasting, playing 和后面的making，doing 应该是并列的
6. 根据故事的意思应该是在李华上大学之后变得懒惰，做一些与学习无关的事情， have nothing to do with 与…无关
7. 介词错误
8. 因为主语是others
9. at the end of “ 在…末尾（尽头）” in the end “ 最后”
10. 正确
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