–I’m planning the weekend with my grandparents, Mom. --Oh, don’t to buy them some nice food.
Mike promised ______ hard from now on.
We have a lot of homework______. We are very busy today.
Helen ______ books at the moment.
—Lisa, are you going to play ______ violin after school this afternoon? —No, and I’m going to play ______ chess with Tina.
—Is this your eraser? —No, it isn’t______. I think it’s______.