The summer____(holiday) are corning.为什么

·The summer____(holiday) are corning.为什么不去Y变ies ,而是在Y的后面直接加S the autumn is corning.the leaves of the t___ are yellow where are you going for the holiday?为什么说for 什么时候用on on the holiday 还是in the holiday呢,为什么 Are you in the USA ( )holiday? The Browns are on holiday in sanya. The World Expo held in Shanghai this summer____ to many peop 应该说“They are out for holiday”还是"They are out on holiday",为什么 The ______(own) of the house are away for holiday. the summer holiday is还是are coming?holiday的词性是可数名词还是不可数? Are you happy in the winter holiday?啥意思 what are you going to do( ) the winter holiday?