1 It seem that he has never (got boring in) playing game on his computer
2 This exercise is most beneficial if practiced (for several times)这个不知道 a day on an empty stomach
3 There are some children walking down the street,(holding their hands together)
4 Jessica (discovered) some old letter (incidentally) when she was cleaning the room
5 The TV show was so boring that I (went to sleep)in the middle of it
6 A teacher should encourage students to ask question they might be unwilling to ask (due to their anxiety about ) being thought stupid
7 Despite the heavy rain she (managed to)reach the railway station in time
8 The Van Gough painting (has stayed in) this wealthy family for years