1.Students are placed into classes according to their_current (当前的) language skills.
2.They steal from people's bank accounts, download sensitive information and attack legal (合法的) websites.
3.From the evidence I must conclude (断定) that you are wrong.
4.What surprised us most was that he didn't show any respect (尊重) to his parents.
5.At the meeting they discussed three different approaches (方法) to the study of mathematics.
6.The girl attempted (试图) to figure out the boy's attitude towards her but without success.
7.I hope each of you can make a contribution (贡献) to our class and school.
8.The high level of unemployment has produced harmful (有害的) social consequences.
9.Poor students' behavior seems to be an increasingly widespread problem and I think modern lifestyles are to blame (责备).
10.Don't believe in those ads that you can master a language in one month. Instead, it is a gradual process (过程), which may last for years.