问题
选择题
The number of deer, mountain lions and wild roses ____ much if people leave things as they are.
A．doesn' t change
B．don't change
C．change
D．changed
答案
答案：A
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The number of deer, mountain lions and wild roses ____ much if people leave things as they are.
A．doesn' t change
B．don't change
C．change
D．changed
答案：A