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1. Mr. Nam is a good teacher of physics. He is my uncle.
Mr. Nam, . 

2. He did his homework; then he went to bed.
After . 

3. It was impossible to find Toni anywhere.
Toni could . 

4. I couldn′t understand why he refused to come to my party.
He . 

5. In spite of her difficult living conditions, she worked extremely hard.
She worked hard even .