．Everyone in the class is expected to participate(参加) in the discussion.
2．We cannot guarantee(确保) the punctuality of the train in such bad weather.
3．If you behave(表现) like that, you’ll get yourself disliked.
4．One littleknown(鲜为人知的) fact is that he was once a wellloved comedian.
5．The other boys tease(取笑) him because he is fat.
6．It is a systematic attempt to strengthen(加强) our competitive ability.
7．He has a positive(积极的) attitude towards life.
8．Her job is to instruct(指导) Mary in Chinese.
9．He left the company for a variety(多种) of reasons.
10．She eventually achieved(实现) her goal of becoming a professor last year.
