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题目
题型:不详难度:来源:
—— Why? Tom, your shirt is so dirty!
—— Mum, I _____ my storeroom downstairs。
A.cleanedB.have worked C.was cleaningD.have been cleaning

答案
D
解析
现在完成进行时表示从过去某时到现在一直在进行的动作。
核心考点
试题【—— Why? Tom, your shirt is so dirty! —— Mum, I _____ my storeroom downstairs。A.c】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
Computer cannot remember who _______; it simply does what _______.
A.has used it; it is toldB.will used it; it was told
C.uses it; it has toldD.has used it; it told

题型:不详难度:| 查看答案
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

题型:不详难度:| 查看答案
—— What were you up to when your parents came in?
—— I_____for a while and_____some reading.
A.was playing; was going to doB.played; did
C.had played; was going to doD.had played; did

题型:不详难度:| 查看答案
—— Alice came back home the day before yesterday.
—— Really ? Where _____ ?
A.has she beenB.had she been C.has she goneD.had she gone

题型:不详难度:| 查看答案
When he was alive, the old scientist used to say that knowledge ____from practice and he gained his experience by doing a lot of practical work.
A.was comingB.had come C.comesD.would come

题型:不详难度:| 查看答案
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