has increased rapidly in Britain since 1976 when imports and exports of (06) birds became (07) controlled. A. tightly B. hardly C. toughly D. grimlyĐoạn văn7/80has increased rapidly in Britain since 1976 when imports and exports of (06)......... birds became (07)......... controlled.tightlyhardlytoughlygrimlyGiải thíchĐáp án: A