The meeting _____ after three hours.(conclude)为什么横线上填“was concluded”,而不是“will concluded”?after后引导一般过去时吗?那如果是will be concluded 还有，after后面什么时候用一般过去时什么时候不用

When they arrived,the meeting _____(begin) He _____ in the sports meeting yesterday The school sports meeting is very successful.The school sports meeting is _____ _____ ________. He didn't say anything at the meeting.He _____ _____ at the meeting. Eric often comes to the meeting late改为同义句Eric is _____ _____ _____ the meeting. you needn’t attend the meeting you ______ _____ ________attend the meeting The meeting has been _____ (结束)for 2 hours. The meeting will be held next month.改为同义句 The meeting will _____ _____ next month.The meeting will be held next month.改为同义句The meeting will _____ _____ next month. You _____(speak) at the meeting tomorrow,aren't you? We can kalk _____[free] at the meeting. When everybody _____,the meeting began用动词的正确形式填空When everybody _____(seat),the meeting began they talk at the meeting from beginning to end.同义句 they talk at the meeting ____ _____ _____ 句型转换：The meeting was ended at 3 p.m.The meeting _____ _____ _____ _____ at 3 p.m.如题 We must _____ _____ （选定）the time and place for the meeting. The sports meeting will ____ _____ _____ (将推迟) because of the rain . The film started ten minutes ago.保持原意 The meeting _____ _____ _____for ten minutes.还有The meeting ended half an hour ago.保持原意The meeting _____ _____ ______for half hour. 英语 对括号内的提问The meeting started (2 days ago )._____ ______ the meeting ________? The meeting started at half past eight?对at half past eight 提问_____ ______ the meeting star?