We_______on this project for four hours. Let’s have a rest.

A. are working     B. have been working    C. worked      D. had worked

 

【答案】

B

【解析】

 

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

--- Is there any possible way to help them get rid of such a bad habit?

--- To tell the truth, it’s very hard. But we    on this problem trying to improve the situation.

A. worked    B. had worked     C. are working     D. had been working

查看答案和解析>>

科目：高中英語 來源：2012-2013學(xué)年浙江省寧波市高一上學(xué)期期末英語試卷（帶解析） 題型：單選題

—Is there any possible way to help them get rid of such a bad habit?
—To tell the truth, it’s very hard. But we ________ on this problem, trying to improve the situation .

A．workedB．had workedC．a(chǎn)re workingD．had been working

查看答案和解析>>

科目：高中英語 來源：2012-2013學(xué)年江蘇省江都市大橋中學(xué)高一下學(xué)期期中考試英語試卷（帶解析） 題型：單選題

We_______on this project for four hours. Let’s have a rest.

A．a(chǎn)re workingB．have been workingC．workedD．had worked

查看答案和解析>>

科目：高中英語 來源：2010-2011學(xué)年黑龍江省高三上學(xué)期9月份月考英語卷 題型：單項填空

— Is there any possible way to help the children get rid of such a bad habit?

— To be honest, it’s very hard, but we ______on this problem.

A．work

B．worked

C．a(chǎn)re working

D．were working

 

查看答案和解析>>

同步練習(xí)冊答案