Great changes _______ in our hometown since 1980A．took placeB．have happenedC．has

题干

Great changes _______ in our hometown since 1980

A．took place	B．have happened
C．has been taken place	D．have taken place

上一题下一题 0.64难度单项选择更新时间:2013-05-08 03:33:50

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