Sometimes speakers aim to teach an audience how something works ...

[piesebel]

Sometimes speakers aim to teach an audience how something works or how to do something. On a
  popular show, Emeril Legasse shows his television audience how to prepare gourmet meals. __________,
  viewers can learn how to build a bookcase on The New Yankee Workshop.
  Adapted from Andrews et al., Public Speaking. Boston: Houghton Mifflin, 1999, 299.
 
  a. Similarly c. On the contrary
   b. Next d. As an illustration

Question 2

Companies are finding new ways of introducing advertising in what we consume every day.
  __________, some are creating webisodes on the internet for particular products, while others have deals
  with television shows to use their products in their episodes.
 
  a. However c. For instance
   b. Therefore d. Finally

[morganmarie791]

Answer to Question 1

a

Answer to Question 2

c

[piesebel]

Thanks for the timely response, appreciate it

[Dominic]

Gracias!