Hurry up﹗The train ______. You know it ______ at 9:00 am.
Is this the reason at the meeting for his carelessness in his work?
It’s freezing outside. You ______put on your coat.
Jack asked his brother Betty.
I have heard from my father, is in American.
Swan Lake is a famous ballet(芭蕾) in four acts, ________ on a German fairy tale.