用所给词的适当形式填空：

用所给词的适当形式填空：
They have some________（apple tree）.
下列各句有一处错误,请改正.
1、He doesn't likes cakes._______ _______
2、It's my pencils.They are red._______ _______
3、What are they?They're at home._______ _______
4、What color is your pen?It's an orange.________ _______
5、How is your pen?It's ten yuan._______ _______