按要求改写句子。
1.They are orange trees . (改为单数句)
_________ _______ orange tree.
2. There are sixteen boys and fourteen girls in my class. (同义句)
We _________ students in my class.
3.There are some reading rooms in our school. (划线部分提问)
in your school?
4.Please feed the animals.(改为否定句)
Please ________ ________ the animals.
5.The students are on the play ground.(对画线部分提问)
________ ________ the students?
