With the development of science and technology , more new technology____ to the fields of IT.  
#102605
A
has been introducing
B
is being introduced
C
is introduced
D
was introduced
推荐题目
I must be off now. My friends ________ outside.
#101616
A
wait
B
have waited
C
are waiting
D
were waiting
I have to walk upstairs. The lift        down.
#103011
A
was breaking
B
broke
C
will break
D
has broken
 I hadn’t expected James to apologize but I had hoped _____ me.
#104164
A
him calling
B
that he would call
C
him to call
D
that he call