(大连市高三双基测试卷)Could you tell us ______ happens when one student in class expresses a personal opinion _______ maybe offends other students?
In a time of social reform, people’s state of mind tends to keep _______ with the rapid changes of society.
Mr. Barren doesn’t think that all bad language should be allowed. In his opinion, there are ___________ that should be kept up.
Swimming is ___ in summer.
The suit’s finished, ___?