题目内容

—I’m sorry,but there’s no smoking on this flight.?
—Oh,I _______ that.Sorry, I won’t again.
A．don’t knowB．didn’t know?
C．won’t knowD．haven’t known?
B?
本题考查动词时态。根据句意“在(说话)之前不知道飞机上不能抽烟” 可知，这是对过去事实的叙述，所以用一般过去时。
练习册系列答案
相关题目
We______our breakfast when an old man came to the door.
A．just have hadB．have just hadC．just hadD．had just had
By the time he was twenty, he receiveda doctor’s degree.
A            B        C          D
She _______ her hairstyle in her hometown before she came to Chongqing for a better job.?
A．would changeB．has changed?
C．changedD．was changing?
Look at the timetable.Hurry up! Flight 4026 _______ off at 18:20.??
A．takesB．took?
C．will be takenD．has taken?
An increasing number of students,year by year,across China  _______ hard to realize their dream of studying abroad.?
A．tryB．have tried　?
C．will tryD．are trying?
_____the house Mr.Li has been broken into ?
A．When was it thatB．When hasC．HasD．had
Michael ______ here to see you and he ______ a note on your desk .
A．has come ; has leftB．has been ; has leftC．has come ; leftD．has been ; left
As we stood on the top of the hill，we could see the beautiful scene that__________before us.
A．had spreadB．has spread?
C．spreadD．spreads

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网