fix

ex/theme-02-to-be/practice-06.md

@@ -2,7 +2,7 @@
 
 ### Exercise 16. Choose
 
-Example: apple / banana -> apple
+Example: I (am / is) happy. -> am
 
 1. I (am / is) happy.
 2. She (is / are) my teacher.
@@ -10,7 +10,7 @@ Example: apple / banana -> apple
 
 ### Exercise 17. Match
 
-Example: 1 -> b
+Example: He is -> my dad.
 
 1. He is
 2. We are
@@ -38,7 +38,7 @@ Example: He is happy. -> He is not happy.
 
 ### Exercise 20. Make a sentence
 
-Example: my / book -> My book.
+Example: he / is / happy -> He is happy.
 
 1. he / is / busy  
    ____________________
@@ -47,7 +47,7 @@ Example: my / book -> My book.
 
 ### Exercise 21. Complete
 
-Example: I ___ happy. -> am
+Example: A: Is he happy? B: Yes, he is.
 
 1. A: Is she a pilot?  
    B: Yes, she ________.
@@ -56,7 +56,7 @@ Example: I ___ happy. -> am
 
 ### Exercise 22. Choose
 
-Example: apple / banana -> apple
+Example: The boy (is / are) happy. -> is
 
 1. The farmer (is / are) tired.
 2. The robot (is / are) in the park.
@@ -64,7 +64,7 @@ Example: apple / banana -> apple
 
 ### Exercise 23. Match
 
-Example: 1 -> b
+Example: The robot is -> blue.
 
 1. The pilot is
 2. The robot is
@@ -76,7 +76,7 @@ c. in the park.
 
 ### Exercise 24. Write one sentence
 
-Example: my / book -> My book.
+Example: the boy / is / ready -> The boy is ready.
 
 Use: the nurse / is / ready  
 ____________________