I didn’t go to class last night because my car broke down. — You _______ mine. I wasn’t using it.

ys teenagers like to go tofast food restaurants, ________ as the name suggests, eating doesn’t take muchtime

The environment is becoming worse and worse. I thinkwe should do something to ____ people ____ cutting the trees in order toprotect the earth.

The writer and teacher as well as some of thestudents_____ a chance to go abord last year.

At minus 130℃, a living cell can be ____ for a thousand years.