请帮忙做几个很简单的中英文句子翻译。200分。

请帮忙做几个很简单的中英文句子翻译。200分。
汉译英：
我以为你回家了。
上周我听了一场音乐会，这是我听过的最好的音乐会。
昨天下午等所有的学生交了卷我才离开。
我们还没有找到座位电影就开始了。
我们刚离开晚会，天就开始下雨了。
要认真对待那个问题。
这种陈旧的方式必须废弃。
厨房里烟雾弥漫。
此药应在饭后服用。
这里的资源几乎没有利用过。
英译汉：
I heard him say good-bye to his friends.
The money from her aunt enables Jane to buy the house.
Obviously, television has both advantages and disadvantages.
This is a rewarding business venture.
What do you do in your leisure time?
We had hardly left the party when it began to rain.
The First World War broke out in 1914.
Alice said that she was going to spend the weekends in the countryside.
The film began before we had found our seats.
I have bought a Chinese-English dictionary.
翻译后再追加100分。

我以为你回家了。
I thought you went home.
上周我听了一场音乐会，这是我听过的最好的音乐会。
I went to a concert last week. It was the best convert I've been to.
昨天下午等所有的学生交了卷我才离开。
I did not leave school until all the students handed in their test papers yesterday afternoon.
我们还没有找到座位电影就开始了。
The film began before we had found our seats.
我们刚离开晚会，天就开始下雨了。
It started raining as soon as I left the party.
要认真对待那个问题。
That problem should be taken care of seriously.
这种陈旧的方式必须废弃。
The old method has to be abolished (abandoned).
厨房里烟雾弥漫。
The kitchen is filled with smog.
此药应在饭后服用。
This medicine should be taken after a meal.
这里的资源几乎没有利用过。
The resources here are hardly developed.
英译汉：
I heard him say good-bye to his friends.
我听到他在向朋友们道别。
The money from her aunt enables Jane to buy the house.
简用姑姑给她的钱买了房子。
Obviously, television has both advantages and disadvantages.
显然电视既有优点也有缺点。
This is a rewarding business venture.
这是一项回报不错的商业投资。
What do you do in your leisure time?
你业余时间做什么？
We had hardly left the party when it began to rain.
我们刚离开晚会，天就开始下雨了。
The First World War broke out in 1914.
第一次世界大战于1914年爆发。
Alice said that she was going to spend the weekends in the countryside.
艾丽丝说她将在乡下过周末。
The film began before we had found our seats.
我们还没有找到座位电影就开始了。
I have bought a Chinese-English dictionary.
我带来了一本汉英字典。