1 . 他没能参加会议的原因是他出差了。
The reason ________ is that he went out for business.

2 . I really ______________________________ (感谢被邀请参加会议) to present my opinions on AI. (根据汉语提示完成句子)

3 . 我们的老师已安排我去参加会议。
Our teacher has ________.

4 . 非常抱歉周五下午不能和你一起去书店，因为我有一个重要的会议要参加。
I’m very sorry for not being able to go to the bookstore with you on Friday afternoon, for I ________ that afternoon.

6 . The man who will hold the meeting hasn’t been decided. (用不定式改写句子)

7 . 汤姆全神贯注于工作，忘记通知我开会的时间。(absorb，过去分词作状语) (汉译英)

8 . 会议将持续两个小时。(主谓结构)(汉译英)

9 . 如果是那样的话，会议就会被取消。(汉译英)

10 . 有这么重要的会议要参加，恐怕我不能和你去书店了。
______________________, I’m afraid I can’t go to the bookstore with you.