问题
选择题
we were all happy _____ 51 gold medals in all in the 29th Olympic Games.
A．to have won
B．to won
C．winning
D． won
答案
答案：A
本题考查非谓语动词。句中考查短语be happy to do高兴做某事，根据句意可知为过去发生的事情，故用不定式的完成式。句意：我们都很高兴在29届奥运会上总共获得51枚金牌。
