My friend John insisted that he had seen ______ alien the day before.
#34434
A
a
B
an
C
some
D
any
推荐题目
This is    clock.  And    clock is on     desk.
#33813
A
the the the
B
the a the
C
a the the
D
an the the
Bill can play______ violin but he can’t play ______ basketball.
#32495
A
the, /
B
the, the
C
/, the
D
the, a