—What do you think of the performance today? —Great! ___ but a musical genius could perform so successfully.

I bought ______ for my son，but ______ for myself.

(2013·陕西咸阳二模)Listening to music can be very enjoyable, but ________ can be appreciated unless you like it.

—Who helped Jessie with her English?—_______, she taught herself.

— It is said that Tom is a wise manager in your company.— Oh, no, he is ____ but a wise leader.