30.___________true events, the film This Is It follows the preparation for Michael Jackson’s concert in London.
—Hurry up! Alice and Sue are waiting for you at the school gate.--- Oh! I thought they ____ without me.
Listen to the two girls by the window. What language_________.
My brother is an actor. He _____in several films so far.
Years ago we didn’t know this, but recent science ______that people who don’t sleep well soon get ill.
Father ____ for London on business upon my arrival, so I didn’t see him.