帮帮忙！英语翻译题

11月25日是圣诞节。
November 25th is Christmas Day.
他年龄最小却最聪明。
He is the youngest but cleverest.
父亲生病住医了，我打算去医院看望他。
Father is ill in hospital,I want to go to hospital to see him.
真可惜你错过了这次机会。
What a pity that you missed the chance!
他被选为我们班的班长。
He is elected our monitor.
晚饭后我们三人将出去散步。
We three will go for a walk after supper.
加拿大是世界上第二大的国家。
Canada is the second largest country in the world.
他已经读了这本书的三分之二。
He has read two threes of this book.
这个房间比那个房间大三倍。
This room is twice larger than that one.
今年我们生产的粮食是去年的两倍。
The food which we produced is once larger than the one last year.