1. A bankruptcy may be either voluntary nor involuntary.

nor -> or

2. Glycerin is used not only in glues but in the manufacture of explosives. 

in -> on 

3. Many meteorite falls go unnoticed because they either happen at night nor they hit the earth in inhabited areas.

nor -> or

*Cấu trúc: either…or…

4. Octopuses have not only large brains and also a well-developed nervous system.

and -> but

5. It would be both noticed but appreciated if you could finish the work before you leave.

could finish -> finished.

6. Both the tailor or the laundress could fix the damage of the dress.

or -> and

     FIGHTING!!!!

Problems with Conjunctions
1. A bankruptcy may be either voluntary nor => or ( neither... nor...= either...or...) involuntary. 
             A              B          C                      D
2. Soya is used not only in many food processes and => but  ( not only... but also...: ko những mà còn ) also in many industrial processes.
                  A                                            B             C                          D
2. Glycerin is used  not only in glues but => but also in the manufacture of explosives.
                          A        B                     C                     D
3. Many meteorite falls go unnoticed  because they either => neither  happen at night nor they hit the earth in inhabited areas. 
     A                                      B           C                                                D
4. Octopuses have not only large brains and => but  also a well-developed nervous system. 
         A                                    B                    C                  D
5. It would be both noticed but => and appreciated if you could finish the work before you leave.
                                 A           B                                            C                          D
6. Both the tailor or => and ( both: cả hai ) the laundress could fix the damage of the dress.
                             A            B                              C          D