完形填空

    It is Sunday today. Mike and David are going to see a film at the cinema. They are waiting for a 1.

    A red bus stops (停止) at the bus stop. Mike and David 2 the bus.

    "Here's a seat (座位) for you, Mike."

    "No, thank you. There's another（另一个） 3 at the front. I can 4 there."

    The bus 5 at the next stop. This time, an old man gets on the bus. Mike and David both 6 .

    David says, "Here is a seat for you, Grandpa. Please sit here."

    "Please 7 here and have my seat, Grandpa," says Mike, too.

    "My seat is near the 8 . So take this seat, please, Grandpa," says David.

    "9 you very much. That's very 10 of you."