问题
选择题
John caught a cold on Saturday and ______ in bed ever since. [ ]
A．was
B．has been
C．is
D．have been
答案
答案：B
搜题请搜索小程序“爱下问搜题”
John caught a cold on Saturday and ______ in bed ever since. [ ]
A．was
B．has been
C．is
D．have been
答案：B