【正确答案】
D
【答案解析】permit:允许。allow,允许。They shouldn't allow parking in the street;it's too narrow.他们不该允许在街道上停车,街道太窄了。probable:很可能。It is probable that it will rain tomorrow.明天很可能下雨。possible:可能的。Is such a thing possible? 这样的事有可能发生吗?admit:承认。I'm willing to admit that I do make mistakes.我愿意承认我确实会犯错。