（1）Who's the boy？
（2）Could you please take out rubbish？
（3）How are you？
（4）What's your favorite subject？
（5）Let's go for a walk．
| A． |
Sure． |
| B． |
No ， thanks． |
| C． |
Fine， thanks， |
| D． |
He's my brother． |
| E． |
Good idea． |
F． Geography．
We are very proud of these national________(英雄)．
攀登岩壁非常危险。
________ ________ ________ ________danger in rock climbing．
A knife can be used for________(cut)bread．
好像谁也不了解这件事。
________ ________ ________nobody knew anything about the matter．
1．北京以北京烤鸭而出名!
Beijing________ ________ ________its Roast Duck!
2．新加坡以花园城市而闻名。
Singapore________ ________ ________a garden city．