feat: examples

ex/theme-07-question-words/practice-04.md

@@ -2,6 +2,8 @@
 
 ### Exercise 10. Choose the answer
 
+Example: a) Yes, it is. b) Yes, they are. -> a)
+
 1. Where are you from?  
    a) I’m from Spain. b) I’m nine.
 2. Who is she?  
@@ -13,6 +15,8 @@
 
 ### Exercise 11. Write the question word
 
+Example: Look at the task and write the answer.
+
 1. __________ is your music class?
 2. __________ is your doctor?
 3. __________ train is it?
@@ -20,6 +24,8 @@
 
 ### Exercise 12. Complete the mini-dialogue
 
+Example: A: Are you OK? B: Yes, I am.
+
 1. A: __________ is your name?  
    B: My name is Leo.
 2. A: __________ are you from?