8.   It's very       (importance) for students      (learn) English well.

 1. The bird_(die). What can we do to help it?

7.   Both of the girls      (run) fast.

6.   ―Is your sister funny?

—Yes, she is      (funny) than me.

8.  I doubt whether he is_(单身）or married.

7. The police have proved that the_(唯一的）suspect is not guilty.

6. Without the mobile, I had difficulty_(联系）the visitors in our group.

5.   The girl is       (talent) in music. She can play the piano well.

4.   I think my best friend should be a good       (listen).

5.  A witness saw him running down the street and_(呼吸）heavily at  10:00 that night.