A.letter of congratulations | B.letter of thanks |
C.letter of criticism | D.commendatory letter |
A.account | B.purpose | C.condition | D.Situation |
A.cotton | B.nylon | C.dacron | D.chemical fibre |
A.course | B.cause | C.way | D.day |
A.custom | B.habit | C.manner | D.Tradition |
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