Final answer:
This question is about combining sentences with words like 'while', 'although', 'not also', and 'though'.
Step-by-step explanation:
While my sister is only eight years old, she has many friends, but she has not found a best friend. Although he is only eight years old, he can play the piano very well. She ate the chole and rice, not also two chapatis. He is the manager of the company, though he doesn't make a high salary.
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