Modern economics ________ the country ’s agricultural policies.
C
现代经济学是国家农业政策的基础。考查形近动词词义选择题。A经历，经受B了解C成为…的基础D承担，保证
Wecannotleavethistoughjobtoaperson________.
In grammatical context, the meaning of a word may be influenced by the ______in which it occurs.
Weweretoldthatthestonefigure_______backtothe16thcenturywasofgreatvalue.
Towriteuphisnovel,Johnislookingforanenvironmentfree________outsidedistraction.