When he looked up, he suddenly found himselfby a group of teenagers, looked at him anxiously

(2013·安徽重点中学一模)Not only ________ to turn off the lights in the kitchen, but we also failed to lock the front door.

What about doing exercise after class, Ben

Jackie Chan has donateddollarsto charity.—He is an example to us all.

Students who graduate with workingexperience will be given ______ over thosewho never work in any company．