A:金钱是万恶之源
B:要对金钱敬而远之
C:获得金钱要取之有道
D:使用金钱要用之有度
小陈从市场上买回几个番茄,他切开一个,发现流出了许多汁水,这些汁水是来自番茄果肉细胞的( )
— Bob, shall we go and meet our new classmate?
— Sorry, I'm busy now. But you ________ ask David to go with you. He is free.