We can never expect____ bluer sky unless we create_____less polluted world.
#10449
A
a; a
B
a; the
C
the; a
D
the; the
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I don’t like talking on＿＿telephone；I prefer writing＿＿letters．
#10208
A
a； the
B
the；不填
C
the； the
D
a；不填
—My son is lost . Have you seen a boy passing by here?—I saw boy hidden behind tree over there . You may go and have a look.
#10022
A
a; the
B
the; the
C
a; a
D
the; a
— Did you happen to see _______ black and _______ white cat?— Are they missing? I told you to take care of them.
#10070
A
a; 不填
B
the; 不填
C
the; the
D
a; the
Apartments in cities can be quite high. Renters are paying up to $1,000 per month for _______ bedroom apartment.
#10227
A
one a
B
the one
C
one
D
a one