根据汉语提示完成句子。当事故发生时，你在干什么？
________the accident happened?房间里很黑，我什么也看不见。
It was _________I could see nothing in the room.这个地方很好玩，你要不要到处看看？
It's an interesting place.Do you want to_______around?昨天上午10∶30，我的父亲正在修理小汽车，而我的母亲正在洗衣服。
At 10:30 yesterday morning, _______ my father ________ the car, my mother _______ the clothes.在这么短的时间里完成这么多的工作很难。
_______hard________so much work in such a short time.
但是，说实在的，现在他已经有一段时间没玩了．
…but， be ， he has not played for a while now．
在扔掉废物前进行分类是必要的．
It's necessary to divide the waste into different kinds before we it ．
成功的关键在于从错误中学习，并且永不放弃．
The key to success is to learn from your mistakes and never ．
我们历史老师中等身高．他对我们很严格．
Our history teacher is of medium ．He is very with us．
坚持你的梦想，将来有一天，它可能会实现．
on to your dream；one day it may come ．