She is busy ( )her homework.A.doing B.to du C.do

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• 11.Mary went _____ after she finished _____ her work.A.swim; doing B.to swim; to do C.to swim; doing D.swimming; to do12.Would you mind _____ the window,please?It’s cold outside.A.to close B.closing C.closed D.close13.A fridge is used for _____ vegetables and food cool.A.kept B.keeping C.to keep D.keeps14.The farmers on the farm are busy _____ apples on the trees.A.picking B.to pick C.pick D.picked15.One day when Edison was five years old,his father s
• She is busy ( )her homework.A.doing B.to du C.do
• 1.They can't have thought that i was at home then,a.did they b.have they c.do they d.was i2.-He hasn't finished yet.-well,he ought_.a.not have to b.to have c.not to d.to3.-i find lily _fatter of the two.-really?and she is _ shorter of the two.a./,/ b.the,the c./,the d.the,/4.after the party ,shi found her nacklace gone ,and never_again.a.be found b.being found c.to found d.found第一题,have thought否定应该是haven't thought .本来是否定的,所以不是应该用have they吗?其它几道题目要选择的理
• Her mother is too busy______housework_______Tom with his homework.可以选B吗?Her mother is too busy______housework_______Tom with his homework.A.doing;to help B.to do;to help C.doing;helping D.to do;helping这道题除了A可以选B么,说明理由
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