The students busily when Mrs White went to get a book she in the classroom.A、had written; leftB、were writing; has leftC、were writing; had left
-The deadly disease destroyed her body but not her_______. - She was really strong-minded.
I don't think the girl has a real gift_______ dancing, but she practises so hard and wants to be a dancer when she grows up. I admire her_______ her courage.
-Do you know_______ second-hand smoke? -To protect our health and memory.
It's foggy today. I'm not sure _______ the highway will be closed soon.
_______ the students_______ their teacher know about the four people.