They  are some pens,some books       some cards.
#57403
A
of
B
or
C
and
D
but
推荐题目
Linda has been drawing ______.
#57560
A
since 10 years
B
for 10 years ago
C
since 2002
D
in 2002
I have known him________ I was young.
#55691
A
before
B
when
C
after
D
since