has increased rapidly in Britain since 1976 when imports and exports of (06) birds became (07) controlled. A. unusual B. uncommon C. exotic D. strangeĐoạn văn6/80has increased rapidly in Britain since 1976 when imports and exports of (06)......... birds became (07)......... controlled.unusualuncommon exoticstrangeGiải thíchĐáp án: C