Do you know a spaceship flies at about nineteen kilometers ________ second?
#33191
A
the
B
a
C
/
D
an
推荐题目
It is believed that travelling to Yangzhou in ________ March is ________ enjoyable experience.
#33181
A
/; the
B
the; an
C
/; an
D
the; the
I can play ______ guitar, and I usually play it on ______ weekends.
#32179
A
a; the
B
a; /
C
the; /
D
/; the