Please be careful when you walk ______ the street. There are so many cars.
—Jack,do you know ________? —Sorry,I don’t know.
It’s hard for them ________ to the beach in a short time.
—What do you do after you get up? —I have breakfast and then ________ school.
Zhou Dan is only four years old,but he loves ________ English songs.
Kate is ________ girl.She’s very happy at school,