At first, the____of color pictures over along distance seemed impossible, but , with painstaking efforts and at great expense, it became a reality.
A. transaction B. transmission C. transformation D. transition
昨日习题：
I am not___with my roommate but I have to share the room with her, because I have nowhere else to live.
A. concerned B. compatible C. considerate D. complied
答案：B
我和我的室友关系不融洽，但因为我没有别的地方住，只好和她一起住。