问题
填空题
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.
答案
1. twelve 2. thirteen 3. twenty-one 4. thirty 5. forty-four