Everyone knows that _____ sun is in the center of the solar system（太阳系）
#33645
A
a
B
an
C
the
D
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推荐题目
We can have ___ bluer sky if we create ___ less polluted world.
#34197
A
a. a
B
a, the
C
the, a
D
the, the
Perhaps we will live in _________ dome on Mars.
#32718
A
a 8-bedrooms
B
an 8-bedrooms
C
a 8-bedroom
D
an 8-bedroom
There is _______big desk in our classroom. _______desk is for our teacher.
#34420
A
a, The
B
a, A
C
the, The
D
an, A
--- Excuse me, have you seen _______ umbrella here?--- Yes. Is it _______ beautiful blue one? I saw it here just now.
#33273
A
an, the
B
an, a
C
the, the
D
the, a