◎ 题干
E-mail, as well as telephones, _____ an important part in daily communication.
[     ]
A. is playing
B. have played
C. are playing
D. play
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“E-mail, as well as telephones, _____an important part in daily communication. [ ]A. is playing B. have playedC. are playingD. play …”主要考查了你对  【主谓一致】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。