家庭里发生的下列变化中，属于物理变化的是（ ）
A：铁锅生锈
B：大米霉变
C：煤气燃烧
D：豆腐切块
We should try to help the ____________ because they have an illness which makes it difficult for them to move around.
____的大海 ____的夜晚 ____的雪花
____地跳起 ____地歌唱 ____地讨论
____得颤动 ____得飞快 ____得可爱
My father has _________ pictures.
