---You'd better ______ a boat and ______ it at Tower Bridge.

---Thanks a lot.

---Can you ______ the map of China?

---Let me have a try.

---Mary won't go shopping this aftenoon．

---I won't go, ________．

--Don't talk about that.

--It ________ your study.

“ Can you speak English ?”

“ Of course ,  I have studied it ___  I was six years old.”

—I have watched the game．

—When ________ you ________ it?

—I watched it last Monday．

---How much are the carrots?

---One yuan a kilo．

---________ cheap．

---How much is the chicken?

---12 yuan a kilo．

---________ expensive．