--- Don’t waste any paper, because our forests every day. ----Sorry, I didn’t know that.A

发布时间：2020-08-16 10:41:57

--- Don’t waste any paper, because our forests      every day.
----Sorry, I didn’t know that.
A. decreased
B. had decreased
C. have decreased
D. are decreasing

网友回答

A. decreased
B. had decreased
C. have decreased
(答案→)D. are decreasing
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