They arrive at an old folks' home Trev: We're going to an old folks' home for lunch?! I want my money back. Wei: Actually, this is really interesting. I've never seen one of these before. Trev: There's nothing to it. Just a bunch of old people waiting to die. Wei: Trev! That's so disrespectful. Trev: It's the truth. None of these old folks' families want to take care of them. Wei: Sad. We also have more and more old people who have to live alone. Trev: I guess it used to be that way here, but everybody is too busy to take care of their folks these days.
It took hundreds of millions of years to produce the life that now inhabits the earth. Given time time not in years but in millennia life adjusts, and a balance has been reached. But in the modern world there is no time.
肯定句： I slept until midnight. 我一直睡到半夜时醒了。 Wait till I call you. 等着我叫你。 （在肯定句中可用before代替 Let's get in the wheat before the sun sets.）
否定句： She didn't arrive until 6 o'clock. 她直到6点才到。 Don't get off the bus until it has stopped. 公共汽车停稳后再下车。 I didn't manage to do it until you had explained how. 直到你教我后，我才会做。
