A：the residents would be permitted
B：had the residents been permitted
C：would the residents be permitted
D：the residents had been permitted
—It's swimming.
The factory last month because it caused too much pollution.
比一比再组词。
彻____ 掉____ 哀____ 炊____
砌____ 悼____ 衰____ 吹____
1993年4月1日起，按照国务院《关于加快粮食流通体制改革的通知》精神，取消了粮票和油票，实行粮油商品敞开供应。从此，伴随城镇居民近40年历程的粮票、油票等各种票证就此谢幕，象征着一个新时代的来临。“新时代”是指（ ）
