阅读对话补全所缺单词。

A: Did you have a great summer holiday?

B: Yes, of course. I visited my hometown with my parents.

A: Really?

B: Yes. Great (1)______ have (2)______ place there.

A: What changes? Can you describe in (3)________?

B: Well, people's living (4)______ now are much better than that twenty years ago.

A: I think so.

B: There (5)______ to be many children who couldn't go to school, and most families had at least three or

    four children, but now each family have only (6)_____ child.

A: So the population now increases (7)______ than before.

B: Yes. What about you? _____(8) was your holiday?

A: I visited Mount Lu with my parents. We really _____(9)ourselves. Have you ever(10)_______ to Mount Lu? B: No, I can't go there this time. my parents let me study English this holiday.