A.to spy on; to | B.spying on; to | C.to spy on; with | D.spying on; with |
A.work | B.working | C.to work | D.having worked |
A.fixing on | B.were fixed to | C.fixed on | D.were fixing on |
A.to mark | B.marking | C.marked | D.having been marked |
A.absorbing, frozen | B.absorbing, freezing | C.absorbed, frozen | D.absorbed, freezing |
A.comes | B.turn | C.coming true | D.Realized |
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