How is he getting along with his English?—_________ spoken English is concerned, he stands first in our class.[ ]

I’d like to be on my own for a while.Do you mind—________.Go ahead.

It’s a difficult time, but we will never _____ hope.

The traffic problem we are looking forward to seeing ________should have attracted thelocal government’s attention[ ]

依次填入下面横线处的词语，恰当的一组是（ ）①我们的工作计划已经呈报上级有关部门，待________之后，即可付诸实施。②台湾名导李安耗巨资拍摄的电影《色·戒》竞然________鼓吹冷酷汉奸的人性亲情，真叫人难以接受。③这家医药公司________世界医药行业之首，是因为有三项产品连续获得国际金奖。