--Could you buy me a computer like this, Dad?

--Sure, we can buy ________ one than this, but ________ this.

---You'd better not swim in this river．It says“DANGER”here．

---________．

---What are you going to do tomorrow?

---________．

---How many ________ are there in a year?

---Twelve．

--- Can you come to the concert?

--- ________. I'm doing my homework.

---I'd like to find some information about the Great Wall．Could you teach me ________ to search the Internet?

---Sure．

---Your dog looks very lovely．

---＿＿＿。

---Tom is six and he is ________ his sister Jane．How old is Jane?

---Three．

--Look, the tall building looks very modern.

--Yes, and there is a garden on its ________. A garden in the air!

--Which of the twin sisters is a doctor?

--________ are.