英语翻译记住离开房间前要关上窗户.Please _____ ______ ______ the window befor

英语翻译
记住离开房间前要关上窗户.
Please _____ ______ ______ the window before leaving the room.
事故在昨天发生.
The ______ _______ ______ yeserday.
按计划会议在9点举行了.
The meeting ______ _____ at 9:00 as planned.
我碰巧在街上遇到了她.
I ______ _______ _______ her in the street.
第二题错了，是两个空