已知方程组$\left\{\begin{array}{c}x-y=5\\ 4x-3y+k=0\end{array}\right.$的解也是方程3x﹣2y=0的解，则k=____ ．

阅读下面短文, 掌握其大意, 然后从所给的四个选项中, 选出一个最佳答案。

    Here is a picture of my 1. I like it very much. It's always very 2. We have a soccer in 3 classroom, but you can't see it. It's under the 4 desk. You can see a map of China and 5 pictures on the walls. My classmates and I draw（画） the pictures. We like our art teacher-Mr Brown very much. He is 6 the USA. But now He is in China with his family . He likes playing 7. After school he often plays basketball with my 8. He likes  9, because he 10 music can make him relaxing.