问题
选择题
Nowadays people are expecting more environmentally friendly and energy-saving products
to be____________. [ ]
A. put out
B. looked out
C. taken out
D. stand out
答案
答案：A
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Nowadays people are expecting more environmentally friendly and energy-saving products
to be____________. [ ]
A. put out
B. looked out
C. taken out
D. stand out
答案：A