—We must do something to save wild animals.--You are right. We should make more rules to ___ wild animals_____being killed.
Bob can play ________ tennis but can’t play ________ violin.
--- _______ is it from here to the bus stop? --- About half an hour’s walk.
--- Hello! May I speak to Mr. Brown? ---- ___________
Look! I can see many apples ______ the tree and many birds ______ the tree.
--- _______ _______ go to a movie? --- Good idea.