21. The children in our school are dancing to raise money for charity.
A. Lose money B、make money C、spend money
22. His brother studies computer science mainly in Nanjing University.
A、majors in B、deals with C、does will in
23.The boy's parents are both ill. He is stressed out.
A. under pressure B. with pleasure C. without family
24.Alex has beaten the other people at the chess competition, so he's top dog
A. The loser B. The player C. the winner