fix

ex/theme-12-classroom-phrases/practice-04.md

@@ -2,7 +2,7 @@
 
 ### Exercise 10. Complete the mini-dialogue
 
-Example: A: Are you OK? B: Yes, I am.
+Example: A: Can you repeat that, please? B: Yes, of course.
 
 1. A: What’s this in English? (eraser)  
    B: It’s an __________.
@@ -15,7 +15,7 @@ Example: A: Are you OK? B: Yes, I am.
 
 ### Exercise 11. Match
 
-Example: 1 -> b
+Example: Can you repeat that, please? -> Say it again.
 
 1. Excuse me.
 2. I don’t understand.
@@ -29,7 +29,7 @@ d. I do not understand.
 
 ### Exercise 12. Put in order
 
-Example: my / bag -> my bag
+Example: the / open / notebook -> Open the notebook.
 
 1. the / open / notebook  
    ____________________