It is important that he should attend every day.

　　他每天都要出席，這很重要。

　　The senator was invited but was unable to attend.

　　參議員受到了邀請，但是未能出席。

　　She agreed to attend but jibbed at making a speech.

　　她同意出席但不愿發言。

　　Please let us know if you cannot attend the meeting.

　　你若不能參加會議，請通知我們。