Answer Key

一

1. biweekly

2. bimonthly

3. biannual

4. annual

5. anniversary

6. biennial

7. biped

8. pedestrian

9. biology

10. biography

11. autobiography

12. autograph

二

A C B

三

1. biennial

2. autograph

3. autobiography

4. biography

5. anniversary

6. biology

7. pedestrian

8. bipeds

四

1. annually

2. autobiographic

3. autographed

4. biennially

5. biographer

6. biologist

7. bipedally

8. pedestrianized

五

1. binary

2. bilateral

3. biopsy

4. apodal

5. pedestal

6. podium

7. graphology

8. orthography

9. graphic

10. annuity

11. autonomous