Donald is new in the company and asks his boss, Brian for help, because 
OPTIONS:
- Donald is already at the top.
- Brian is already at the top.
Brian is already at the top.

Roger fed his cat a diet rich in rice rather than corn, as he had read that the 
OPTIONS:
- rice was worse for his cat's sensitive stomach.
- corn was worse for his cat's sensitive stomach.
corn was worse for his cat's sensitive stomach.

Vocal lessons from Laura really helped Angela with their singing, since 
OPTIONS:
- Laura was a good student.
- Angela was a good student.
Angela was a good student.