It was ____ exciting news that more than ten students in a single school were admitted to Tsinghua University in the same year. 
#93887
A
one
B
an
C
/
D
a
推荐题目
______ is worth doing well.
#93770
A
Whatever is worth doing at all
B
That is worth doing at all
C
What is worth doing at all
D
Whatever is worth doing it at all
I don’t think anyone can finish the experiment, ____?
#93389
A
do I
B
can they
C
can’t they
D
don’t I
 It ___ 6 years since we left middle school.
#94587
A
was
B
had been
C
has been
D
were