what a pity!

问题描述:

what a pity!
You must have enjoyed yourselves very much.
But the school had never had such a young helper.
请解析

你必须玩得高兴.
但是这学校从来没有这样的年轻助手.
enjoy oneself 某人玩得高兴=have a good time
had had sth.过去完成时态,这句话表示过去某一时间之前拥有某物