問題詳情:
E-shopping, if properly_____, can save us a lot of time and energy.
g B. done C. having done D. being done
【回答】
B
知識點:非謂語動詞
題型:選擇題
問題詳情:
E-shopping, if properly_____, can save us a lot of time and energy.
g B. done C. having done D. being done
【回答】
B
知識點:非謂語動詞
題型:選擇題