1. I think dog is _______ _____ animal in the world.

A. the kindiest B. very kind   C. very clever       D. cleverer

2. ----What’s wrong with you?

----I feel very ____________. I heard  ____________ noise just now.

A. frightening, frightened     B. frightening, frightening

C. frightened, frightening     D. frightened, frightened

3. The room is big enough for ten people ____________.

A. to live      B. to live in    C. living      D. live