feat: examples

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

@@ -2,6 +2,8 @@
 
 ### Exercise 10. Complete the mini-dialogue
 
+Example: A: Are you OK? B: Yes, I am.
+
 1. A: What’s this in English? (eraser)  
    B: It’s an __________.
 
@@ -13,6 +15,8 @@
 
 ### Exercise 11. Match
 
+Example: 1 -> b
+
 1. Excuse me.
 2. I don’t understand.
 3. Can you repeat that, please?
@@ -25,6 +29,8 @@ d. I do not understand.
 
 ### Exercise 12. Put in order
 
+Example: my / bag -> my bag
+
 1. the / open / notebook  
    ____________________
 2. at / board / the / look