Improve your English now !! Answers : 1. (d) when 2. (a) demolition 3. (a) put off 4. (d) Friendly more exp : Antonyms:     friendly, hospitable, kind Synonyms:     adverse, antipathetic, destructive, disaffected, harmful, hostile, hurtful, ill, ill-disposed, inimicable, injurious, noxious, opposed, oppugnant, pernicious, repugnant, unfavorable, unfriendly, unwelcomingContinue Reading