你的猫是什么性别？

What ___sex is your cat?

有些测试能让你在宝宝出生前知道它的性别。

Some tests enable you to find out the ___sex of your baby before it's born.

老师给了我申请表，上面有我的姓名、年龄、性别、国籍和地址。

The teacher gave me the application form about my name, age, ___sex, nationality and address.