fix

ex/theme-09-plurals/practice-06.md

@@ -10,7 +10,7 @@ Example: one book -> two books
 
 ### Exercise 17. Match
 
-Example: 1 -> b
+Example: one watch -> watches
 
 1. one watch
 2. one fox
@@ -22,7 +22,7 @@ c. foxes
 
 ### Exercise 18. Choose
 
-Example: apple / banana -> apple
+Example: two box / boxes -> boxes
 
 1. two box / boxes
 2. two toy / toys
@@ -38,7 +38,7 @@ Example: book -> books -> s
 
 ### Exercise 20. Make one sentence
 
-Example: Look at the task and write the answer.
+Example: these / apples -> These are apples.
 
 1. these / apples  
    ____________________
@@ -47,14 +47,14 @@ Example: Look at the task and write the answer.
 
 ### Exercise 21. Complete
 
-Example: I ___ happy. -> am
+Example: I have got two __________. (fox) -> foxes
 
 1. I have got two __________. (fox)
 2. These are red __________. (cherry)
 
 ### Exercise 22. Choose
 
-Example: apple / banana -> apple
+Example: two potatoes / potato -> two potatoes
 
 1. two potatoes / potato
 2. two leaves / leafs
@@ -62,7 +62,7 @@ Example: apple / banana -> apple
 
 ### Exercise 23. Match
 
-Example: 1 -> b
+Example: bench -> benches
 
 1. leaf
 2. bench