Is this _______ pencil case? –No, it’s ______ eraser．

3-junior high school life will be over . I will remember those things and teachers _____ are unforgotten .

Which dress do you prefer?– The red one. It _______ more beautiful.

How do you like your Englsh teacher? — He is great. We friends since three years ago.

So far, all of the infected people are thought _______ the flu after direct contact with sick birds.