What do you think of news—______ . I watch it every night. I can find out what’s going on around the world.

Must I turn off the gas after cooking ? –Of course You can never be ___ careful with that

Mrs. Brown was much disappointed to see the washingmachine she had had ________ went wrong again.

Do you know the reason _________ pilots turn off the plane’s lights before taking off? —The practice is for the passengers to adjust to the dark _________ an emergency.

依次填入下面一段文字画横线处的语句，衔接最恰当的一组是（ ）闲情，是________，什么也不做，也不想了。也是________，去水边品茗。有时，从午后一直坐到日暮黄昏，________。人散去，一回头，仿佛看见丰子恺先生那幅画《人散后，一钩新月天如水》，只见天空淡月一弯，竹帘半卷，竹椅几把，桌上剩茶几盏，就是________。①偷得浮生半日闲，邀三两知己 ②不见一个人，却有着说不出的意境 ③不知不觉，一弯月儿挂上柳梢 ④三月间看桃花开遍陌上，听杜鹃鸣