a. Let’s be friends.
b. Good morning.
c. Good night.
d. Goodbye.
e. Good afternoon. 
a. Put your books in your bag.
b. Show me your ruler.
c. —Good evening, Dad. —Good evening, Ben.
d. Clean your feet. 
a. They can make yummy food.
b. They can fly a plane or a spaceship.
c. They take care of your teeth.
d. They design machines, roads and bridges.
e. They catch thieves or someone who do bad things. 
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