The government has taken some measures to prevent more trees from _____.

The damaged building           , so the people will have to look for other places to shelter themselves from the cold.

---How did the warm-hearted lady find you and return your lost bag?
---She said that she           my bag on the bench with my name card in it.

——Do you know David well?
——Sure. We       friends since ten years ago.

—I thought you ______ for vacation tomorrow.
—I had planned to, but I have a very important meeting to attend tomorrow.

Johnson would have faced the music but he ______ doing things like that.

—Bob! How’s your project? I heard you started it last Friday, right?
—Oh! I ______ for it. But I haven’t decided when to do it.

—Has your father returned from Europe yet?
—Yes, but he ______ here for only three days before his company sent him to America.

Mr. Black _______Shanghai in a few days. Do you know when the earliest plane _______ on Sunday.