Please【 】{put}these books in your bag.用所给词适当形式填空

问题描述:

Please【 】{put}these books in your bag.
用所给词适当形式填空

put这是一句祈使句,祈使句中动词应使用原型。

Please put these books in your bag.
因为是祈使句,以动词原形开头

put
please后动词用原形

祈使句,用原形,put