I want to learn___ about___Chinese art.
We want some music players__for_____our music festival.
Please call me____at__555-9880.
Come to the school show___in___the music room___at___6：00 pm___on__Sunday.
Can you help me_with____the piano?
You can be___to/for_/on__the festival in your school.
这个可以用很多：
be to 表示将来,你可以去.
be for 表示支持.
be on 表示 上演节目.
—What can I do_for____you?— I want a sweater.