—Look at the sky! What is it? —Oh! _______UFO is landing on the ground.
#33439
A
A
B
An
C
/
D
The
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As volunteer teacher in the rural area,she has opened up students' eyes to the outside world.
#33948
A
the; the
B
a; a
C
a; the
D
the; a
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
