Pickering is the person that treats a flower girl like a duchess.
Whereas Higgins treats a duchess like a flower girl.
YES because they were basically forced to learn a whole new language to be understand'd.
Have* this is because has* is past tense and have is more appropriate since there are multiple things you are referring too (Mercury, Venus, Earth and Mars). To be honest, these planets have a molten core.
Answer:
Maria feels proud of herself when she works hard and gets good grades in her classes.
Explanation: