— You keep on coughing. What's the matter? — Oh, I've got a cold. Nothing serious, ____.
He is sure to ________ with the help of Mrs. Li.
Every year he ________ to Beijing to visit his teacher.
The last bus has left; ________, you’ll have to walk there.
He ran ________ fast that I couldn’t catch up with him.
The teacher ________ his work.