These shoes look very good. I wonder __________. A.how muc..

These shoes look very good. I wonder __________. A.how much cost they areB.how much do they costC.how much they costD.how much are they cost

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Do you know the reason_____she didn’t attend her boyfriend..

Do you know the reason_____she didn’t attend her boyfriend’s birthday party yesterday?A.whyB.whichC.for thatD.for why

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This machine, ______for many years, is still working perfect..

This machine, ______for many years, is still working perfectly. A.after which I have lookedB.which I have looked after C.that I have looked after D.I have looked after

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The reason__________ their failure you know is _____they did..

The reason__________ their failure you know is _____they didn't get fully prepared for the experiment.A.why.., thatB.that.., whyC.for.., thatD.why.., because

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A number of questions will be discussed by the studentsbegin..

A number of questions will be discussed by the studentsbeginners of English fail to use the languageproperly.A.whichB.asC.whyD.Where

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