Theuniversityestimat的精选

问题详情：Theuniversityestimatesthatlivingexpensesforinternationalstudents_____some﹩8，450ayear，which_____aburdenforsomeofthem．（）A．are；is      B．are；are   C．is；are     D．is；is【回答】A知识点：主谓一致题型：...