问题
选择题
. With examinations coming immediately, you ________ the Internet last night.
A．mustn’t surf
B．shouldn’t surf
C．couldn’t have surfed
D．shouldn’t have surfed
答案
答案：D
搜题请搜索小程序“爱下问搜题”
. With examinations coming immediately, you ________ the Internet last night.
A．mustn’t surf
B．shouldn’t surf
C．couldn’t have surfed
D．shouldn’t have surfed
答案：D