The black bag _________ be Anna’s. She has a blue one.
—Have you ever ________ an amusement park?—Yes, I have. I ________ Fun Times Amusement Park last year.
—My teachers often encourage me ________ more friends but I find it difficult.—Your teachers’ idea is right. The more friends you make, ________ you will be.
—I’m sorry I ________ my exercise book at home this morning.—It doesn’t matter. Don’t forget ________ it here this afternoon.
—What does your mother do? —________.
—After P.E., I often feel very thirsty. —Why not buy some ________ to drink?