It was not until 1978_____ set free from the prison

Julia, what were you doing when Anna called you?—I my housework and to take a bath

Leonardo da Vinci ________ birds kept in cages in order to have the pleasure of setting them free

While the book on the top shelf , you need to be very careful .

You’d better not ask him about the problem. He’s new here and he knows ______ about it.