Several years ago, very ______ people knew Yao Ming .But now he is well-known all over the world.
-Will she ________ go with you? –Well, I’m not sure.
No one ________ paper, pens and pencils
They’ll finish the work _________ time.
Mr Smith always goes for a walk with his dog when he is_________.
—There will be ________ factories in 100 years. —Really? Where will people work then?