A student may have studied and mastered the material, test ...

[Haya94]

A student may have studied and mastered the material, test anxiety may cause a student to
  perform poorly.
 
  a) the material, however, test anxiety
  b) the material, so test anxiety
  c) Even though a studentmaterial, test anxiety
  d) Even though a studentmaterial; test anxiety

Question 2

My boss is not a fair person; he always seems to criticize ____________ and to let other
  workers get away with anything.
 
  a) Dylan and I b) Dylan and me

[meganlapinski]

Answer to Question 1

c

Answer to Question 2

b

[Haya94]

Thank you

[meganlapinski]

No problem