2011年 5月22日,湖南省冷水江市中连乡民兴煤矿发生一起煤与瓦斯事故,至23日,事故造成7人死亡,1人受伤。事故暴露出该采区存在四个问题:通风管理不到位,瓦斯治理不彻底,现场管理不严格,安全措施不落实。此次发生的矿难再次警示我们必须( )
Jim is a good son. He never _______ to write to his mother every month.
Do you have any idea what has ______ him mad?
These shoes my mother bought for me are so ____ that they hurt.
Ladies and gentlemen, may I ___ your attention to me?I have an important announcement to make.
Our company has been very____ to react to foreign competition. Most of our products are out of fashion.