问题描述：
give a speech 后用什么介词
如果后面是指关于某事的演讲,如:
I gave a speech _ Chinese cooking to the local people in Australia.
应该用什么介词?
如果后面是指关于某事的演讲,如:
I gave a speech _ Chinese cooking to the local people in Australia.
应该用什么介词?
问题解答：
我来补答展开全文阅读