問題詳情
3. Students _______ the self-balancing scooters on all walkways, pathways,pedestrian ramps, patios, stairs and any gathering areas with foot traffic only.
(A)are prohibited using
(B) are prohibited from using
(C) prohibited from beingusing
(D) are prohibited from being used
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增