Do you know a spaceship flies at about nineteen kilometers ________ second?
#33191
A
the
B
a
C
/
D
an
推荐题目
The boys and girls often play_______ football in_______ afternoon.
#33036
A
/;an
B
the; an
C
/;the
D
a; the
------It’s said that the famous writer will give us _________ advice on writing.------_________ good news! I’m weak at it.
#33779
A
a; How a
B
an; What
C
some; What
D
any; How
Benny is _________ 11-year-old boy. _________ boy comes from America.
#32381
A
a; /
B
a; The
C
an; The
D
an; An