A.break-insB.breakthroughsC.break-outsD.outbreaks
A.betweenB.distinctiveC.inD.wearing
A.find itB.sends outC.detectD.A
A.hisB.flyingC.generallyD.had invented
A.be photocopiedB.photocopyingC.photocopiedD.photocopy
A.HavingB.To haveC.HaveD.Having had
A.onB.atC.toD.in
A.No matterB.As thoughC.Even thoughD.Owing to
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