99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

What was the main cause of the Second World War?()

A.The main cause was big power struggle for control of the world.
B.It was the worldwide economic crisis.
C.It was the military expansion of Japan,and Germany.

微信掃碼免費(fèi)搜題