一、写出下列数字的英文表达
11 ______________ 12 ______________
13 ______________ 14 ______________
15 ______________ 16 ______________
17 ______________ 18 ______________
19 ______________ 20 ______________
二、抄写句子
1. How many birds are there?
2. There are five
3. How many flowers are there?
4. There are thirteen eggs.
5. Look at the birds.