15.I'm late again(又).(作出合适应答)

14.I'm a bus driver.(改为复数一般疑问句)

13.She's fine.(用适当的词替换划线部分)

12.That's her eraser.(就橡皮所有人提问)

11.14+6=20(用英语表达)

10.These chairs are yellow.(就颜色提问)

9.My brother is nine.(就年龄提问)

7.Mr Black is our English teacher.(就主语提问)

I open the window?(作出应答表示同意)

6.April is in class 5.(就所在班级提问)

5.This is an office building.(改为复数句)