When I passed the river, I saw some children ______ on the sand.
______the morning of September 8th, many visitors arrived _______the train station for an hour.
Why not _____your teacher for help when you can’t finish______the story by yourself.
I think the girl under the tree must be Lily.No, it ______be her. She is in the library now.
_______of students came to help him.
— Give me a minute to check out, and I’ll meet you outside the hotel.— , Mike. I am not in a hurry.