Only first-year students are eligible for tutorial assistance. An alternative may be better. Comment or revision 6. The client is usually the best judge of the value of his counseling. The client is usually the best judge of the value of counseling.
Clients are usually the best judges of the value of the counseling they receive.
The best judge of the value of counseling is usually the client. Avoided use of the personal pronoun Changed to plural Rephrased 7. Subjects were 16 girls and 16 boys. Each child was to place a car on his board so that two cars and boards looked alike. Keep pronoun order consistent to avoid ambiguity.