Amy: Let's play teacher and student!                              

Mike: OK! I'm tall. I'm the teacher!

Amy: I'm clever. I'm the teacher.                                  

Mike: OK!

Amy: Good morning!

Mike: Good morning!

Amy: Hello, boys and girls!

Mike: Hello, teacher.

Amy: OK! You're a good student! Let's change.

Mike: Yeah! I'm the teacher now!

选择正确的答案填在括号里。