问题补充:
So convenient that many people would like to do that.
A. is shopping on net
B. shopping on net does
C. does shopping on net
D. shopping on net is
答案:
(答案→)A. is shopping on net
B. shopping on net does
C. does shopping on net
D. shopping on net is
解析:可联系答.案.网客服索取。