Question

last month ,the japanese government expressed their thanks for the aid they ___from china

a receive b are receiving c have received d had received
选什么
差查什么语法
怎样划分成分

Answer 1

意思是，，上个月，，日本政府向中国给予他们的援助表达了感谢，they。。他们被援助。they指的是日本政府，，，而这件事是已经援助的，所以才要感谢。也就是应该选，，完成时，而上面说是last month上个月，也就是说，接受援助是上个月以前的事了，也就是过去的过去，。应该用过去完成时，选d、

Answer 2

d
根据时间last month 和动词expressed推断为过去完成时