—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?
本題考查動(dòng)詞時(shí)態(tài)。根據(jù)句意“在(說(shuō)話)之前不知道飛機(jī)上不能抽煙” 可知，這是對(duì)過(guò)去事實(shí)的敘述，所以用一般過(guò)去時(shí)。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

We______our breakfast when an old man came to the door.
A．just have hadB．have just hadC．just hadD．had just had

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

By the time he was twenty, he receiveda doctor’s degree.
A            B        C          D

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

She _______ her hairstyle in her hometown before she came to Chongqing for a better job.?
A．would changeB．has changed?
C．changedD．was changing?

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Look at the timetable.Hurry up! Flight 4026 _______ off at 18:20.??
A．takesB．took?
C．will be takenD．has taken?

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

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．a(chǎn)re trying?

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

_____the house Mr.Li has been broken into ?
A．When was it thatB．When hasC．HasD．had

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

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

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

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

查看答案和解析>>

同步練習(xí)冊(cè)答案