问题
选择题
(南京市2008—2009学年度第一学期期末调研测试卷)—Dad, can I surf the Internet?
—Again? I wish that you ______ going on line ______ your health.
A．know; will do harm to
B．knew; are doing harm to
C．know; have done harm to
D．knew; were doing harm to
答案
答案：B
考察虚拟语气在非虚拟句中的运用和动词时态。第一空白处：在wish的宾语从句中，谓语动词如果表达与现在事实相反要用过去式，第二空白处上网太多有害身体健康是生活常识，应用一般现在时。