Are the set of the keys ..? 还是Is the set of keys .?
问题描述:
Are the set of the keys ..? 还是Is the set of keys .?
答
是Is the set of keys?set of keys = 一套钥匙,是单数.
Are the set of the keys ..? 还是Is the set of keys .?
是Is the set of keys?set of keys = 一套钥匙,是单数.