--What is Tom doing now ? --He is _______ on the playground..A. run B. runing C. Running
—What ______ do you like? —I run every morning and often play tennis with my father.
—Here ______ some books ______ you, Jim. —Thanks very much.
--- What’s your favourite day? --- ______.
______ are my pencils. ______ pencils are in the schoolbag.
—Is this ______ model plane? —No, it isn’t ______.