1 people tend to exploit the best of their potential under pressure.
2.according to experts,this theory is of no practical value.
3.customers will be confused on which are on sales.
4.he soon expand the company's business to other cities.
5.from now on,we should be aware of the importance of life-long education
6.the suspect can not account for his time that night
7.Don't exaggerate yourself,or no one will believe you
8.this castle was built in 14th century
9 in conversation,don't jump from topic to topic when you are asking question
10.same as the fifth