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1. Mark is not interested in teaching.
Teaching . 

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

3. What a pity I broke the vase.
I wish . 

4. I spent hours getting here.
It took . 

5. He had lived in Hanoi for ten years. Then he moved to Ho Chi Minh City.
After .