It is important that he should attend every day.
他每天都要出席，这很重要。
Please let us know if you cannot attend the meeting.
你若不能参加会议，请通知我们。
It would be to your advantage to attend this meeting.
参加这次会议会对你有利。
Children must attend school between the ages of 5 and 16.
5到16岁的`孩子必须上学。
The students all attended, bar two who were ill.
除了两名生病，所有的学生都到了。