Find a mistake in the four underlined parts of each sentence.
1. Streets in city are more busy than ones in the country. ( B là ''are'' còn lại là C )
                  A                B            C                 D
2. Lan usually have lunch at 11.30 a.m and now she is having lunch with her friends at school canteen
.                             A               B                                                  C                                 D
3. There are some beliefs that people will succeed when they break things during Tet holiday.
               A                        B                             C                                          D
4. The pagoda is much historic and larger than the other ones in this city.   ( C là ''ones'' còn lại là D )
                                     A                              B                                    C          D