The word "this" in the passage refer to ________?
A.young labor force   
B.economic growth   
C.China                      
D.elderly population

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
As towns grow, they tend to destroy the surrounding ______ areas.
A.rural
B.commercial
C.land
D.urban

____________ (37)
A.need  
B.grow 
C.express           
D.pass

The number of wildlife habitat reserves have been established in order to save endangered species from extinction.
A.save 
B.established
C.have
D.species

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
“Do you think that reducing class sizes would _______ standards in our school?”
A.pull            
B.boost                 
C.rise                          
D.raise

________(8)
A.created
B.made
C.used
D.took

(5)_______
A.lay in
B.lay off
C.lay out
D.lay up

Do as directed
He was given a gift. So were you.      ( Join into one sentence, using "as well")
A.He as well as you was given a gift.
B.He as well as you was given for a gift.
C.He as well as you was given to a gift.
D.He as well as you was given by a gift.

__________(8)
A.substance
B.source  
C.matter
D. resource

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
If_________ has found a wallet containing cash and valuable papers, could that person please had it in to the security desk.
A.anyone
B.everyone
C.they
D.oneself