The answer would have to be será. The other answers would be incorrect because serás is plural, serán would be for taking about a specific person or thing and seremos would not be valid in this context.
The answer is the first one “Testificariamos”
1. Tú
2.vosotros
3.yo
4.Ella
5. nosotras
Forms of transportation that can be used in DR is Motochonchos or Motorcycle taxi
Im sweating of hotness what do i have