题目内容

Computers          in offices and homes since 1970s．
A．wasB．had been usedC．have been usedD．has been used
C               
             
试题分析：考查动词的时态与语态。句意：自从20世纪70年代以来，电脑就被广泛的应用在办公室与家庭。根据时间状语sinec 1970s，这是现在完成时的标志，电脑与应用之间是被动关系，故选C项。          
考点 : 考查动词的时态与语态
练习册系列答案
相关题目
The real reason for the fire _______ a burning cigarette end.
A．starts withB．leads toC．focuses onD．lies in
Mr. Smith couldn’t open the door because his naughty boy _______ it from the inside
A．would lockB．was lockingC．has lockedD．had locked
Being a teacher，she dreamed____turning a deaf-blind creature into a useful human being.
A．at
B．of
C．on
D．from
He _________ to go through the hard times and finally became a famous artist.
A．succeeded
B．managed
C．tried
D．enabled
After school we went to the reading-room to do some reading, only to be told that it        .
A．was decoratedB．had decoratedC．had been decoratingD．was being decorated
She _____ her mother in appearance but they are different from each other in character.
A．resembles B．looks C．is similarD．likes
Many couples feel lonely at home when their children        to go to college.
A．grow upB．have grown upC．grew upD．had grown up
—Your colleague's spoken English is quite good, Amy．
— No wonder, as she              in the USA for two years．                  
A．workedB．has been workingC．had workedD．has worked

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