名词解释：offer
Onaverageabout￡5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
新闻传播行为，“三要素说”(事实、新闻报道者和新闻接受者)的提出者是()。
Itwas_____andshedidnotknowenoughtoanalyzeeachproblemproperly.
