David has become a ________ young writer.
—What do you think of Jack? —________, he is a good student.
— That young woman must have something to do with the crime, right?— . Though she insisted she hadn’t done anything against the law.
—I heard your grandma used to be a designer.— Yes. She was an excellent designer ________.
—Look! _________ clean the classroom looks !—Yes. I’m sure somebody _______ it up.
—Would you mind my opening the window?—________. I am feeling a little cold because of my bad cold.