AIDS is said_______ the biggest health challenge to both men and women in the earth over the past four years.
#91954
A
that it is
B
to have been
C
that it has been
D
to be
推荐题目
. ________ that I was puzzled.
#94083
A
So difficult a question did he ask me
B
Such difficult a question did he ask me
C
Such a difficult question he asked me
D
He asked me a so difficult question
In front of our house ________ we used to swim. 
#93216
A
a river lies that
B
does a river lie where
C
lies a river which
D
lies a river where
       is no need      
#92388
A
It; complaining
B
That; complaining
C
There; to complain
D
This; to complain