相關習題
 0  96933  96941  96947  96951  96957  96959  96963  96969  96971  96977  96983  96987  96989  96993  96999  97001  97007  97011  97013  97017  97019  97023  97025  97027  97028  97029  97031  97032  97033  97035  97037  97041  97043  97047  97049  97053  97059  97061  97067  97071  97073  97077  97083  97089  97091  97097  97101  97103  97109  97113  97119  97127  151629 

科目: 來源:不詳 題型:單選題

—Bob! How is your project? I heard you started it last Friday, right?—Oh! I_______ for it. But I haven’t decided when to do it.
A.have preparedB.had preparedC.have been preparingD.was preparing

查看答案和解析>>

科目: 來源:不詳 題型:單選題

Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing.
A.a(chǎn)re used; isB.is being used; is
C.have been used; areD.has been used; are

查看答案和解析>>

科目: 來源:不詳 題型:單選題

—Tom, it seems that you haven’t cleaned your bedroom the whole week .
—You didn’t come in around 10 yesterday morning; I ________ it .
A.cleanedB.have cleanedC.was cleaningD.had cleaned

查看答案和解析>>

科目: 來源:不詳 題型:單選題

I suppose by the time I come back next year, all these old houses south of the Baoshehe River ________ down.
A.will have been pulledB.will be pullingC.will have pulledD.will be pulled

查看答案和解析>>

科目: 來源:不詳 題型:單選題

It is said that the early European playing-cards ______ for entertainment and education.
A.were designedB.have designedC.have been designedD.were being designed

查看答案和解析>>

科目: 來源:不詳 題型:單選題

They ________ to enter the building by the back door; however, the front door was locked.
A.a(chǎn)re supposedB.a(chǎn)ren’t supposedC.weren’t supposedD.were supposed

查看答案和解析>>

科目: 來源:不詳 題型:單選題

Professor Smith, along with his assistants, _________on the project day and night to meet the deadline.
A.workB.workingC.is workingD.a(chǎn)re working

查看答案和解析>>

科目: 來源:不詳 題型:單選題

Tom is the only one of the students who     a scholarship since last year. 
A.has wonB.have wonC.is winningD.wins

查看答案和解析>>

科目: 來源:不詳 題型:單選題

— Have you watched the film “Avatar”? 
— Not yet. But I       the film is worth watching.
A.a(chǎn)m toldB.was toldC.have toldD.have been told

查看答案和解析>>

科目: 來源:不詳 題型:單選題

With more forests being destroyed, huge quantities of good earth      each year.
A.is washing awayB.is being washed away
C.a(chǎn)re washing away D.a(chǎn)re being washed away

查看答案和解析>>

同步練習冊答案