题目内容

Three fourths of the homework _________ today.
A．has doneB．has been doneC．have doneD．have been done
B
homework 是不可数名词，它的四分之三也是不可数名词，所以排除C，D;且homework 和do是动宾关系，所以要用被动语态。所以选B。
练习册系列答案
相关题目
Mr. Chapman retired at 70 after he       nearly 40 years with the Gas Company．
A．had spentB．has spentC．spendsD．would spend
Great changes _________ in my hometown in the past 20 years.
A．took the placeB．have taken placeC．were taken placeD．took place
--You speak very good French!
---Thanks. I _________ French in Sichuan University for four years.
A．studiedB．studyC．was studyingD．had studied
A Frenchman who lost his arms and legs successfully swam across the Channel, a challenge he           for two years.
A．has been preparingB．had been preparing
C．has preparedD．prepares
Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.
A．has deliveredB．has been deliveringC．will be deliveringD．delivers
What a big snake! It ________ one meter and a half in length.
A．is measuredB．is measuringC．measuresD．will measure
--Hello, Kate. How is your weekend at home?
--Awful! You know it is the first time I ____ alone at home, bored to death.
A．has leftB．had leftC．had been leftD．have been left
We were all surprised when he made it clear that he ______ office soon.
A．leavesB．leftC．would leaveD．had left

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网