—Look at these tracks. It __________ be a wolf. —It needn't be. It be a fox.
——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.
________ he is, he seldom shows his precious coins to others.
I am extremely ______ at the way he always stares at me in the office.