Combine the two sentences, using although / though

I. Combine the two sentences, using although / though.
D. WRITING
Example:
0. She watched the film twice. She didn't understand the film.
=> Although / Though she watched the film twice, she didn't understand
She didn't understand the film although / though she watched it twice.
1. The questions were very difficult. He solved them easily.
2. He was a great actor. He never played a leading role in a film.
3. They spent a lot of money on the film. The film wasn't a big success.
4. The film was a comedy. I didn't find it funny at all.