题目内容
Cell phones _______ by more and more teens and many new functions _______ to them nowadays.
A. are using, have added B. is used, are adding
C. are being used, have been added D. being used, were added
C
练习册系列答案
相关题目
题目内容
Cell phones _______ by more and more teens and many new functions _______ to them nowadays.
A. are using, have added B. is used, are adding
C. are being used, have been added D. being used, were added
C