I had just stepped out of the bathroom and was busy drying myself with a towel ________ I heardthe steps.[ ]

You can improve your English ____ reading more.

The teacher ___________his students to work hard.

There are no relative articleson the InternetWhat shall we do—My God！Thereare always not any useful articles when you want

You seem to be an actor. ____ . I have played many parts in a lot of films.