It's for the boys to watch a football match.A excited B exciting C bored D boringA能不能选?为什么?
问题描述：
It's for the boys to watch a football match.A excited B exciting C bored D boring
A能不能选?为什么?
答
B 因为 it 是形式主语,真正的主语是不定式 to watch a football match.(做这件事是令人兴奋的)
To watch a football match is exciting for the boys.