1 . 用方框中所给词或短语的适当形式填空

gun, a turning point, burglar, create a conflict, twin, by

1. — Why do I need to ________________ in my story?
— To make the story more surprising and attractive(有吸引力的).
2. We should never judge a person ______________ his appearance.
3. The Second Opium War was ________________ in the history of China.
4. — You mean there was a ________________ trying to break into your house last night?
— Yes. But my dog scared him away.
5. The man with a ________________ in his hand is a policeman.
6. The ________________ sisters look the same. Can you tell them apart?