【题目】E-mail as well as telephones ______ more and more popular in daily communication.
A.have becomeB.becomeC.are becomingD.is becoming
在线课程【答案】D
【解析】
考查动词时态和主谓一致。句意：电子邮件和电话在日常交流中正变得越来越流行。结合语境表示此时此刻的情况应用现在进行时，as well as连接并列主语时，谓语动词与前面的主语保持主谓一致，E-mail是单数形式，谓语动词应用第三人称单数，故选D。