5、After he finished school there， he went to the University of Kazan.
在辛比尔斯克中学毕业后，他入了喀山大学。
school一般指小学或中学，句中指的是中学。School除了有学校的意思，还有学业，功课，学期。前面不用冠词。
To finish school毕业。
School begins in September学校九月份开学。
There will be no school tomorrow。明天不上课。
Is that little girl old enough for school?小姑娘到入学年龄吗？
6、Lenin worked very hard at foreigh languages because,because he knew they were a useful weapon in revolutionary struggle。
列宁非常努力学习外语，因为他懂得外语是革命斗争的有力武器。
work at是动词短语，意思是“从事”，“做”；后面接学校的课程，应译做“学习”。
There‘’s no easy way to learn English well.you will just have to work hard at it。
学好英语不是轻而易举的事，谁都得下苦功夫。
I worked at these mass problem the whole morning.
整个一上午，我演算了这道数学题。
foreigh languages复数，是泛指。
7、A read a great deal，他博览群书.
A great deal或者a good deal是固定短语，意为much，即大量。但需要注意它只用于指不可数的事物，
如：His illness cost him a great deal。他的病花费了他一大笔钱，
8、We learned a great deal from workers and peasants.
A great deal of后面接不可数名词，表示具体的事物,如:
We need a great deal of support in our work。工作中，我们需要大力支持
Cleaning our library took us a great deal of time.打扫图书馆用了我们许多时间。
a lot of 用在不可数名词前，也可以用在可数名词前。例如，
He pays a lot of attention to English idioms.他非常注意英语的习惯用法。
A lot of our friends are going to the Great Wall these sunday。
9、How did you do in yesterday test？昨天的测验你做的怎么样？
10、I cant careful enough。我不够细心。
enough是副词，修辞形容词，enough修饰形容词或副词时，永远放在被修饰词的后面，
例如：the child is old enough to go to school.
孩子已经到入学年龄了。
