—You have been sitting on my hat and now it is badly _________.
—Sorry. I will ask my boss for _________ on my salary to buy you a new one.
A：out of order; an advance
B：out of shape; an advance
C：out of order; the advance
D：out of shape; the advance
- Our head teacher is responsible for his work. He spends most of his time with us.
- ________ He always communicates with our parents in his free time.
—No. you call playing computer games a hobby.
鲨鱼属于“鱼纲”，鲸鱼属于“哺乳纲”，下列特征中哪项是把它们分开的主要依据之一（ ）
