—_______.
—Yes, I want to know_________ next Saturday.
Our science teacher asked us we ever been in a maglev train.
—Don't worry. I will tell you as soon as he ______.
—Yes. He wants to know this Sunday.
—For forty minutes. But it's foggy(有雾的) today. I'm not sure ________ the highway will be closed soon. Let's set off earlier.
—But nobody knows if it ___________.
—That's great. But I wonder __________.