ARTICLE WORKSHEET #1 
 
a_____ power line 
a_____ crime 
an_____ authority figure 
a_____ protest 
a_____ tax 
an_____ earth-like planet 
a_____ garden 
an_____ ice sculpture 
a_____ lightning rods 
a_____ power plant 
an_____ algebraic equation 
a_____ mountain range 
an_____ angle 
a_____ geometric figure 
an_____ arch 
a_____ square 
an_____ army 
an_____ attack 
an_____ airplane 
a_____ jet 
an_____inventor 
a_____ u-turn 
a_____ u-boat 
an_____ ugly person 
an_____ actor 
an_____ ulcer 
a_____ director 
an_____ uncontrollable child 
a_____ CIA operative 
an_____ FBI agent 
 
EXERCISE 
Add  A, AN, or THE when appropriate. 
 
When beginning their training, __an___ astronaut needs to know how to fly __an___ airplane.  He/she 
must know how to work __the___ flight controls, as well as monitor _the____ radar for other air traffic.  In 
training for space flight, __an___ astronaut must also know how to fly __a___ jet (__a___ much faster 
version of __a___ plane).  Generally, he/she must know __the___ inner workings of both types of aircraft, 
as well as understand __the___ physics involved in flight.  Finally, __an___ astronaut must understand 
__the___ different dangers related to flying in bad weather on __the___ earth as well as understand 
_____ different dangers related to flying in __a___ low-gravity environment.  Being __an___ astronaut 
can be one of __the___ most difficult yet rewarding jobs in __the___ entire galaxy.