They  are some pens,some books       some cards.
#57403
A
of
B
or
C
and
D
but
推荐题目
 Ann didn’t go to school________ the storm yesterday. 
#58454
A
because of
B
because
C
so
D
even
I didn't go there____the bad weather. 
#57238
A
because
B
if
C
but
D
because of
     Jack had a fever,       he finishing doing his homework yesterday.  
#58574
A
Although; but
B
But; although
C
Although; /
D
/;although
You will fail the English exam ________ you study hard.
#57214
A
however
B
anyway
C
unless
D
but