单句语法填空

1．At first the English spoken in England between about AD 450 and 1150 was very different         the English spoken today.

2．As Li Fang set off         home, he thought, “...I'll just throw these flowers and chocolates away...”

3．As soon as she got home, my mother set         t preparing lunch.

4．写出下列句中set off的含义

(1)Having said goodbye to their friends, they set off for home.        

(2)If a smoke detector sets off an alarm and there is no fire or smoke, inform your hall staff.        

(3)Hong Kong's stock market fell, setting off a global financial crisis.        

(4)On New Year's Eve, we set off many fireworks, which made the children excited.        

5．People living in the city are different            those in the countryside in character.