题目内容：

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Why aren’t the British having as many children as they used to?

Well, there is a whole range of reasons. One of them is that nowadays, British people are having their children at a much older age than before, 1. (mean) they have fewer years in which they can have children. Most young people nowadays want a job 2. they are well-paid, so they often go to university after high school. After years of study at university, they then need a few years of work experience before getting the job they want. Besides, houses are unbelievably expensive in the UK, so many young people 3. (force) to stay with their parents early on their careers. And no one wants to start a new family when still 4. (live) with their parents! So, it’s not5. people are about 30 years old that they can afford to move out and think about settling down and having children. After getting 6. (marry), the couple have to work 7. (pay) for their home and living expenses.8., they have to pay someone to look after their child during the day, and it’s also very expensive!

9. (discourage) by all these difficulties, it’s no surprise 10. people today don’t want to keep a large family.