_____ it’s a little bit hard for some of us to imitate the standard English accent, we still communicate with foreigners very well.[ ]

Gone _______ when we were oppressed.

(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.

____name is Mary. _________ is a student .

May I use your computer this afternoon—____.