根据汉语完成句子。
1·我的弟弟有两个排球。My brother has two volleyballs
2·吉娜有一个闹钟吗?
Does Gina have a clock?
3·他们没有飞机模型。
They don't have model planes.
4·我妈妈没有戒指。
My mother doesn't have a ring.