1．John competed(竞争) for a place at the school，but didn't get in.
2．If you pretend (假装) to know what you don't know，you'll only make a fool of yourself.
3．The total cost of the project would be more than $240 million(百万)．
4．I didn't know that he was a cheat (骗子)，or else I wouldn't have believed him.
5．The target audience (观众) for this advertisement was mainly teenagers.
6．He finished his work in a positive (积极的)way.
7．Stress (压力) and lack of sleep can worsen the situation.
8．No payments were made last week because of a computer error (差错)．
