根据所给中文意思完成句子，每空限填一词。

1．这所房子两年前属于我姑姑。

This house ______ _______my aunt two years ago．

2．这些巧克力都是手工制作的。

These chocolates are all made ______ _______．

3．我九岁时去小电台求过职。

I______ ______ a job at small stations at the age of nine．

4．那时他在努力算出这道数学题。

He was trying hard to______ ______this maths problem at that time．

5．史密斯先生说话很慢以便学生们能够听清楚。

Mr. Smith speaks slowly______ _______the students can hear him clearly．