They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.
A．had been working; are still workingB．had worked; were still working
C．have been working; have workedD．have worked; are still working
A
檢查考生對動詞時態(tài)的掌握和運用能力。第一空，時間狀語從句before I joined them決定了要使用響應的過去時態(tài)；第二空，now 決定了要使用現(xiàn)在時態(tài)。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：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 來源：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 來源：不詳 題型：單選題

—Did you watch the basketball match yesterday?
—Yes, I did. You know, my brother _________ in the match.
A．is playingB．was playing
C．has playedD．had played

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

I _______ there little more than a week when I set to work with the scientist.
A．would beB．have beenC．had beenD．will be

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

At the end of the meeting,it was announced that an agreement_______.
A．has been reachedB．had been reached
C．has reachedD．had reached

查看答案和解析>>

科目：高中英語 來源：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 來源：不詳 題型：單選題

John and I＿＿＿friends for eight years.We first got to know each other at a Christmas party.But we＿＿＿＿＿ each other a couple of times before that.
A．had been； have metB．have been； have met
C．had been； had metD．have been； had met

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—What were you doing when I phoned you last night?
—I      my painting and was starting to take a bath.
A．have already finishedB．was finishing
C．had just finishedD．was going to finish

查看答案和解析>>

同步練習冊答案