1．I'm afraid I can't attend your birthday party at 5 P．M．next Monday．I （已乘飞机） to London long before then．（fly）
2．The technology is reported ____ （应用到）architecture in other countries for a long time, but it was not introduced into China until two years ago．（apply）
3．He escaped ____ （丧生） in the explosion because he had not gone to work．（kill）
4．So ____ （天气好） that all of us want to go on an outing. （day）
5．It was only when the accident took place ____ （他才意识到） the importance of careful driving．（realize）
