【题目】E-mail, as well as telephones, ______ an important part in daily communication.
A. is playing B. have played
C. are playing D. play
在线课程【答案】A
【解析】
试题分析:句意：电子邮件，还有电话在日常生活中起着很重要的作用。As well as 连接主语时要遵循承前一致的原则，答案选A。类似短语还有rather than ，like，together with 等。