1.My grandfather still plays tennis now and then, although he’s in his nineties.
2.I was glad to meet Jenny again, but I didn’t want to spend all day with her.
3.He knew all his friends would be there, he didn’t want to go, though/however.
4.However rich people are, they always seem anxious to make more money.
5.Poor though/as they are, they are warmhearted and ready to help people who are in trouble.
6.She was surprised when someone stared at her, so she said, “I’m sorry, but I don’t think I know you.”
7.In some places, women work outside while men raise their children at home.
8.He drove very fast to the airport, but he missed the plane.
9.Although/Though/While he is young, he has a good knowledge of music.
10.While she was listening to the radio, she fell asleep.