【推荐1】It’s true that a larger _________（人口）requires more schools and houses.

【推荐2】China has a p________ (人口) of about 1.4 billion.

【推荐3】The ________ (人口) on Earth is increasing quickly. Now the Earth is becoming more crowded.

【推荐1】Miss Gao is good at teaching primary school p_______ (学生).

【推荐2】Do you know ________(母鸡) can lay eggs?

【推荐3】She plays an important p________ (作用) in the school activity.

【推荐1】Our English teacher has lots of teaching e______________________________.

【推荐2】Australian students also have lots of h________ to do every day at school.

【推荐3】根据句意及汉语提示，在空白处填入适当的单词。
1. We went to the zoo last Friday and had a lot of _____ (乐趣) there.
2. —Where is your ______ (故乡)?
—In Chengdu, Sichuan.
3. Susan _______ (共用) a room with three other students last year.
4. —I want to fly to _______ (德国) this weekend.
—Have a good trip!
5. Kangkang hopes to get _______ (一起) with his grandparents tomorrow. He misses them very much.