A.to sleep | B.to be sleeping | C.sleeping | D.being sleeping |
A.change | B.changed | C.changing | D.having changed |
A.misunderstand | B.misunderstood | C.misunderstanding | D.was misunderstood |
A.to play | B.played | C.play | D.playing |
A.repairing | B.repaired | C.being repaired | D.is being repaired |
A.hold | B.to hold | C.holding | D.should hold |
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