— Is Jim coming by train?      —I’m not sure. He _________ drive his car.

—Real Madrid is sure to win the match !—It’ s hard to say . You know, anything ________ happen even in the last minute.

---Look! That’s Amy.   ---It _______ be her. She’s gone to Xi’an.

You ________ in person; a telephone would have been enough.

Curious about the world around him, my son__   __ask me endless questions when he was young．