“Aha, you’re a chain smoker!” “Only at home. Nobody _______ that but you.”
A．discoveredB．had discovered
C．discoversD．is discovering
C。
答句陳述的是客觀事實(shí)，故用一般現(xiàn)在時(shí)態(tài)。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來源：不詳 題型：單選題

Great as Newton was, many of his ideas_____today and are being modified by the work of scientists of our time.
A．a(chǎn)re to challenge B．have challenged
C．a(chǎn)re challengingD．have been challenged

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

—Does Li Ping serve in the army?
—No, but he ________ in the army for five years.
A．servedB．has served
C．is servingD．would serve

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

“Mike is not coming to the football game this afternoon.” “It’s a shame! He _______!”
A．promisesB．promised
C．will promiseD．had promised

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

You’ll never guess who I met today — my old teacher! We _____ for 20 years.
A．don’t meetB．haven’t met
C．hadn’t metD．couldn’t meet

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

Danny __________ hard for long to realize his dream and now he is popular.
A．works B．is working
C．has worked D．worked

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

—Got your driving license?
—No. I ____ too busy to have enough practice, so I didn’t take the driving test last week.
A．wasB．a(chǎn)m
C．have beenD．had been

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

I know Mr. Brown；we ＿＿ to each other at an international conference.
A．a(chǎn)re introducedB．have been introduced
C．were introducedD．had been introduced

查看答案和解析>>

科目：高中英語(yǔ) 來源：不詳 題型：單選題

How can you possibly miss the news? It _______ on TV all day long.
A．has beenB．had been
C．wasD．will be

查看答案和解析>>

同步練習(xí)冊(cè)答案