After Steven sent some e-mails, he______ surfing the Internet.

  • A starts
  • B has started
  • C will start
  • D started
参考答案: A
解题思路: 句意:Steven发完邮件后就开始上网。Sent为send的过去式,由此可知改句子时态为一般过去时,因此用started,故选D.>>>立即刷题