Choose the underlined word or pharase( A,B,C or D) that need correcting

I. Choose the underlined word or pharase( A,B,C or D) that need correcting
1 when he was a little boy, he used to going swimming
                    A                     B                   C          D
2 you don't like tea, do they?
             A            B    C    D
3 They spent all morning to learn English yesterday
      A        B                         C                         D
4 Swim everyday is a good way of keeping fit
       A                   b            C                D
5 There are different magazines in this newsagent, aren't they?
                A                                  B                             C        D