问题
选择题
Great changes ________ in the city since 1979.
A．have taken place
B．have taken the place
C．have been taken place
D．have been happened
答案
答案：A
考查动词。happen，take place发生，不及物，根据句意：自从1979以来城市发生了很大的变化。选择A。
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