21. You park here! It’s an emergency exit.
A. wouldn’t B. needn’t C. mustn’t D. couldn’t
22. The dictionary is what I want, but I don’t have enough money me.
A. by B. with C. in D. for
23. He had lost his temper and his health in the war and never found of them again.
A. neither B. each C. either D. all
