“a group(crowd) of+复数名词”等短语之后的谓语动词也同样可用单数或复数,前者强调整体,后者强调各个部分。 02 某些集体名词,如people,police,cattle等,只当复数看待,谓语动词必须用复数。 The police are searching for the thief.警...