-There is _____________ with my fridge.-I’m afraid you have to ask someone to check it.
-Must I finish my homework today?-No, you _____. You can finish it tomorrow.
Don’t talk on the phone. You _____.
Bob is a good boy at school. He _____ fights with others.
—Either Laura _____ Amy _____ American. —Amy is.
— _____ does he live from our school?— About thirty minutes’ walk.