问题
选择题
Today we have chat rooms, text messaging, emailing… but we seem ________the art of communicating face-to-face.
A．Losing
B．to be losing
C．to be lost
D．having lost
答案
答案：B
考查seem的用法。seem to do sth.故排除A、D;又因为是我们失去面对面交流的艺术，是主动。故选B。