问题
选择题
If we use the new recycling method, a large number of trees _____.[ ]
A. are saved
B. will save
C. will be saved
D. have saved
答案
答案：C
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If we use the new recycling method, a large number of trees _____.[ ]
A. are saved
B. will save
C. will be saved
D. have saved
答案：C