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Choose the underlined part (marked A, B, C or D) that needs correction.

21. In order to being a good salesclerk, you mustn’t be rude to the customers.                   

                A        B                                             C                  D

22. According to the sign on the restaurant door, all dinners are requiring to wear shirts and shoes.

                A                        B                                  C                         D

23. My mother always made me to wash my hands before every meal.

                                         A                B                        C        D

24. Although his leg was broken however, he managed to get out of  the car.

            A                                             B                               C               D

25. The information I got from the assistant was such confusing that I didn’t know what to do.    

         A                                                                         B                   C                              D