A.agree | B.permit | C.approve | D.prove |
A.have worked | B.work | C.is working | D.are working |
A.to smoke; to smoke | B.to smoke; smoking | C.smoking; smoking | D.smoking; to smoke |
A.attend; join | B.join; attend | C.attend; attend | D.join; take part in |
A.know; have | B.knows; have | C.know; has | D.knows; has |
A.the one; repaired | B.which; it repaired |
C.the one; it repaired | D.which; repaired |
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