---Dear me! What a wonderful computer! ---My grandpa bought it for my sister and me. It’s ______.

—How long does it take to get to the airport?—Forty minutes. But it’s foggy today. I’m not sure          the highway will closes soon. Let’s set off earlier.

---Is this your earser?---No,it isn’t. It’s ________.

—I don’t think it very expensive to buy a family computer here.—Really? I’ll buy _____ next week.

Here are some books for _____ sister and _____.