— Hey, man. You can’t cross the street now. you have to wait ____ the traffic lights turn green.— Oh, sorry and thank you.
—What will the weather be like tomorrow?—It _______ be rainy, cloudy or sunny. Who knows?
—_______ are you leaving for Shanghai?—In a couple of months.
—This is _______ fascinating museum I have ever visited.—Yes. I’ve never seen a _______ one.
Stephen Hawking thinks _______ important to have hope in bad situation.
Robert is away. He _______ America since last week.