7. Caroline is ________ student in my class. A. most hard-working B. more hard-working C. the most hard-working D. as hard-working |
8. She sings ________ among the singers I have known. A. the most beautiful B. more beautiful C. the most beautifully D. more beautifully |
9. Her office is ________ away than mine. A. the farthest B. more far C. farther D. farthest |