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le D. unpleasant 15. I always keep a dictionary __D__ me when I read an English newspaper so that I can look new words up in it. A. into B. among C. along D. beside 16. — Could you please tell me how to get to the nearest flower store? — along this street until you __B__ a flower store is next to it. A. look for B. pass by C. set up D. walk into 17. It is __C__ to enter other people’ s rooms without knocking at the door first. A. polite B. patient C. impolite D. active 18. One of the most __A__ ways to get around a city is by taxi. A. convenient B. serious C. difficult D. expensive 19. — You should say sorry to your father for the mistake you made, Tom. — I don’ t __D__ to meet his if he gets angry with me? A. need B. have C. refuse D. dare 20. The government tried to deal __D__ the problem of homelessness in the city. A. about B. in C. on D. with 21. The famous singer will e and sing for us __A__,so I will go to the concert tonight. A. in person B. take care of C. look after D. all