He is ________to buy _________ for his parents.
—I hear Mario never tells a lie. —That's right. He is anboy.
—is the population of your factory? —It has apopulation because it's a new factory.
—How long? —For two years.
—I saw Mr.Smith in the office at ten yesterday morning. —That's impossible. Hean Enghish party with us then.
—I don't know where to go this summer vacation. —Why notvisiting Suzhou? There are many places of interest there.