摘要： E-shopping, when properly , can save us a lot of time and energy. A. being done B. done C. doing D. is done
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E-shopping, when properly , can save us a lot of time and energy.
A. being done B. done C. doing D. is done
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E-shopping, when properly , can save us a lot of time and energy.
A. being done B. done C. doing D. is done
查看习题详情和答案>>E-shopping, when properly ________, can save us a lot of time and energy．
[ ]
A．
being done
B．
done
C．
doing
D．
is done