If by any chance Peter comes to us ,please ask him to leave a _________.
— Who’s singing in the next room? — It ____ be her . She has gone to New York.
— Do you know _____? — Next Sunday.
— What kind of movies do you like? — I like the movies ____ are about Chinese history.
We should never ____till tomorrow what we can do today.
— How was your trip to Hang Zhou, Jim? —Great! We ___ to Xixi National Wetland Park.