Billion, couple ,decade, dozen ,quarter. 1 a____of an hour= 15 minutes .2 a ___=two. 3 a__= twelve .4 a __=10 years 5 a___= a thousand million
1. a quarter 2. a couple 3. a dozen 4. a decade 5. a billion
1. Quarter 2. Couple 3. Dozen 4. Decade 5. Billion