6.There was a dog sitting___________(sit) beside the door.
门边坐着一只狗
7.The speaker raised his voice but still couldn't make himself _heard______(hear)
说话的人提高了他的声音,但是仍然听不见
8._Seen_______(see) from the top the mountain,the city looks more beautiful.
从山顶上看,这座城市看起来更加漂亮
9.We can see a lot of smoke _coming_______________(come) out from that building.
我们能看见很多烟从那座建筑里飘出来
10.The problem __discussed_______(discuss) at the meeting now is very important
在会议上被议论的那个问题非常重要