7. for works with multiple authors, you may list the first author's name followed by which of the following that indicates there are multiple authors? a. et all b. and al. c. et all. d. et al.

Idon't know which one from these two forms is correct! "he believed that the technology of the future would allow robots to do the same tasks as a human." or "he believed that the technology of the future would have allowed robots to do the same tasks as a human. , it's ! i need your !