I had __________ unusual experience last week.
#33444
A
a
B
an
C
the
D
/
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
What useful book! And book was given to me by my father as a birthday present last year.
#32361
A
the, \
B
an, the
C
\, \
D
a, the
What do you usually have for________ breakfast?A piece of bread and ______ egg.
#33178
A
a; an
B
不填; the
C
a; the
D
不填; an