The Leaning Tower of Pisa (比萨斜塔) is so great _____ old building.
—Is Rick there? —No, he for Beijing three days ago.
—________in ten years? —I'm going to be a driver.
—________will your father come back,Tony? —In three days.
---Hi, Tom! Are you there? ---- Yes ._______
Would you like ______ meat ?