求救以下高二英语试题讲解!急
1.find有没有被动式?
2.the last one to arrived pays the meal.为什么用to arrived?
3.a childen talked so loudly at dinner table that i had to struggle to be heard.为什么用to be heard?
4.when asked why he went there ,he said he was sent there to be trained for a space flight.为什么用to be trained?我当时选的是：being trained.怎么就错了?
5.it remains to be seen whether Jim will be fit enough to play in the finals.为什么用to be seen ?而不用seeing?
6.i don't want to sound like i'm speaking ill of anybody, but the manager's plan is unfair.为什么用to sound?而不用to be sounded?
7.i don't know whether you happen to have heard.为什么用to have heard?而不用to hear?
8.you were silly not to have locked your car.为什么用to have locked?
我需要的是讲解.每道题都说明白.谢谢了.
每道题都要说出正确答案旳正确.以及我选择错误的纠正,讲出道理.
对对，第一题就是to arrive我看错了。你太天才了，
那这道题为什么这个？？？