这只小猫实际上是雌性,不是雄性。
The kitten was actually a ___female, not a male.
女性占该国劳动力的40%。
___Females represent 40% of the country's workforce.
我们都知道把动物关在动物园里引发的问题:雌性动物会拒绝雄性。
We all know the problems caused by keeping animals in zoos: ___females refuse the males.