I'm Tom. I have a friend. Her name is Lucy. She is ____.Her favourite food is ____. She is thirsty. She would like some ____ .Her water bottle is ____the table. Look! There is her photo ____the table.
150____ 13____ 鲸鱼 30____
— _______ your neighbors ________?
— They're kind and helpful.
又到了班级大扫除的时间,卫生委员向班主任建议:公共区清理沟渠、搬运垃圾的工作尽量分配男生,而教室窗户、黑板、课桌的清洁尽量分配女生。卫生委员建议的合理性在于( )