I don't think the experiment is ___ failure, because it has provided us with ___valuable experience for our future tests．
#8306
A
不填; 不填
B
不填; a
C
a; 不填
D
a; a
推荐题目
Dr. Peter Spence, ______ headmaster of the school, told us, “____ fifth of pupils here go on to study at Oxford and Cambridge.”
#9085
A
/; A
B
/; The
C
the; The
D
a; A
—Her concert was ________ big success last night. —I think it surely makes ________ difference for a new talent.
#7716
A
/; /
B
a; a
C
a; the
D
a; /
Everything eones with price;there is no mteh tning as a frce fttnneh in the wodd.
#9888
A
a , a
B
the , /
C
the , a
D
a , /
Don’t touch _______ live wire, or you will get _______ shock．
#9359
A
the; the
B
the; a
C
不填; a
D
不填；不填