I'm ______ there are UFOs.

[　　]

--The man in the red car____ his father.

--Yes. I think so.

[　　]

--I don't want to learn French. It's difficult.

--But Japanese is____ than French.

[　　]

--Which is____, the tiger, the snake or the bear?

--The tiger.

[　　]

All of us can shop without____ out of our house.

[　　]

--Who can reach the book on the top of the shelf?

--John can. He is____ of us all.

[　　]

--Our teacher told us that these exercises were____.

--Really?

[ ]

--Which sport do you like____?

--Swimming. It's____ of all sports, I think.

[　　]

There are____ of people in the small village.

[　　]

______ city is the most exciting, Beijing, Shanghai ______ Shenzhen?

[　　]