China has _____ area of about 9,600,000 square kilometers, including Diaoyu Island(钓鱼岛) .

______classmates are nice . I love to play with _______.

I need 50 yuan to ___ for winter camp. I have to ask my father for some money.

What are those?– are baseballs.

_______go out for a walk with me when you’re sad. —It’s a good idea.[ ]