We can have ___ bluer sky if we create __

We can have ___ bluer sky if we create ___ less polluted world.

#34197

a. a

a, the

the, a

the, the

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---What _______useful book it is!---Yeah, it tells you how to play _____ guitar.

#32764

a;a

an; the

a;the

an; a

Mr. Black often goes to work by______ bus.

#32123

the

- Will you get there by _____ train? - No, I'll take _      taxi.

#34129

/; a

a; the

/;/

the; a .

Mike likes playing ____ golf while I like playing _____ piano .

#33898

the, the

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/ , the

the , /

There is ______ art room in my school.

#33838

the

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