问题
选择题
.
In the rainforest of the Amazon, 50 to 150 plant species _____ every day.
A．have been destroyed
B．are destroying
C．are being destroyed
D．destroyed
答案
答案：C
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.
In the rainforest of the Amazon, 50 to 150 plant species _____ every day.
A．have been destroyed
B．are destroying
C．are being destroyed
D．destroyed
答案：C