—Who knocked at the door?—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ____ was.
#15120
A
he
B
that
C
she
D
it
推荐题目
— Did a letter come for me this morning? — Yes. _____ came for you.
#15411
A
That
B
It
C
One
D
The letter
The new online library makes possible for students to choose books by smart phone off campus．
#14656
A
it
B
one
C
that
D
this