This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
A．have reflectedB．a(chǎn)re reflectingC．will reflectD．reflected
D

試題分析：句意：全球范圍的霧霾應(yīng)該對所有的人是個提醒，表明是我們該反思我們對環(huán)境做了什么的時候了。這是句型：It’s high time that+虛擬語氣的變形，that從句中用一般過去式或should do表示虛擬語氣，所以選D。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：單選題

(2013·合肥一中二模)The school recommends parents ________ their children to swim in rivers or lakes during summer holidays.
A．not permitB．do not permit
C．mustn't permitD．couldn't permit

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·江西南昌一模)Why ________ it get colder when we climb up a mountain? We are getting nearer to the sun!
A．ought toB．would
C．shouldD．must

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Maybe if I_____ science, and not literature then, I would be able to give you more  help. 
A．studiedB．wouldstudyC．hadstudiedD．wasstudying

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

If only I _______ your praise then! For, you see, I lost heart and gave up.
A．have heardB．hearC．had heardD．heard

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·高考福建卷)—Do you think George has passed the driving test?
—No.If so，he ________his car to our college yesterday.
A．would driveB．drove
C．would have drivenD．had driven

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·安徽，28)I________to my cousin's birthday party last night, but I was not available.
A．wentB．had gone
C．would goD．would have gone

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It’s so cold today．If it should get warmer this afternoon，I＿my car．
A．would have washedB．would washC．must have washedD．must wash

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Mark     have hurried. After driving at top speed, he arrived half an hour early.
A．needn’tB．wouldn’tC．mustn’tD．couidn’t

查看答案和解析>>

同步練習冊答案