With the development of high technology,
题型:选择题
问题:
With the development of high technology, more and more new things _______ to the field of IT.
A.have introduced
B.are being introduced
C.were introduced
D.had been introduced
With the development of high technology, more and more new things _______ to the field of IT.
A.have introduced
B.are being introduced
C.were introduced
D.had been introduced