Choose the underlined words or phrases that are not correct in standard written English

Choose the underlined words or phrases that are not correct in standard written English.
1/ In the past, jeans wore mostly by working people.
    A                              B       C         D
2/ Most of the money today is made  from  paper and metal.
     A                                              B         C           D
3/ Some doctors advise me to go bicycling because it is one  from the safest forms of
exercise.                  A                  B                                     C            D
4/ He left for London last year. Nobody saw him sinse.
            A                            B                         C             D
5/ Nowadays, a lot of dangerous work are  carried out  by robots.
                           A                                       B           C                   D
6/ I was watching an international football match by the TV  when  he came.
           A                                                                               B              C          D
7/ The police are looking at two missing pupils. They were last seen yesterday morning. 
                          A              B             C                                       D
8/ Do you finish with the book I lent you last week ?
            A                 B                        C                D
9/ Because the heavy rain, many people arrived at the meeting late.
       A                      B                                                   C                         D
10/ Nobody can find the key. The key couldn't be found.
         A             B                                            C                 D