问题
选择题
—The mobile phone is out of date.
—Why not try __________ Iphone 4.[ ]
A. to use
B. to be using
C. using
D. being used
答案
答案:C
—The mobile phone is out of date.
—Why not try __________ Iphone 4.[ ]
A. to use
B. to be using
C. using
D. being used
答案:C