The professor sometimes makes remarks that are not __________ to the topic.
If you ________ at school, you _______ a college student now.
_______ the website of the Five Department in your city, and you will learn a lot about firefighting.
——What’s the matter with Della?——Well, her parents wouldn’t allow her to go to the party but she still ______ .
Working abroad for years, she has made a big ______ and has started a company of her own.
_______ achievement, last week’s ministerial meeting of the WTO here earned a little, though not failed.