English is ________ useful language so that most people speak it as ________ second language.
#33642
A
a; the
B
an; the
C
an; a
D
a; a
推荐题目
I lost________ key to the door yesterday. It was________ unlucky day for me.
#34082
A
the; a
B
the; an
C
a; a
D
a; an
The boys and girls often play_______ football in_______ afternoon.
#33036
A
/;an
B
the; an
C
/;the
D
a; the
