Look at the sky! What is it?—Oh! _______UFO is landing on the ground.

The teacher can _________believe that Tom studies so ________.

I went to the beach. Where did you go the school trip?

I know she is very ______ . Look! The smile(微笑) is on her face.

Look at that animal. It’s interesting.— Which one do you mean? ____ black one with a long tail?