资料1
资料3
资料4
请根据以上资料,选择以下栏目的正确选项:
“件数”栏:()。
A.74
B.20270
C.14
D.400
参考答案:C
Both the Canadian and the Americans have an autumn festival______
Thanksgiving Day.
A.calls
B.to call
C.called
D.calling
农业协议谈判的背景是什么?