Question

英语单选题loudspeaker were fixed in the hall so that everone__an

Answer 1

1、ought to have done 指主观上本来应该做而未做

should have done 指客观上本来应该做而未做

2、C

more than we had hoped作定语修饰success，翻译为：这次取得的成功出乎我们的意料。