用适当的数词完成句子。 |
1. There are _____ months in a year. 2. Bill is nine years old. I'm four years older than (比……大) him. So I'm _____ years old. 3. Ten and eleven is _____. 4. April has _____ days. 5. In this class there are _____ students, nineteen boys and twenty-five girls. |