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1.         Though natural resources, the area was well developed.£¨¡¡¡¡£©

A. lacking for            B. lacking                  C. lacked in               D. lacked of

2.         His idea was in advance the time.£¨¡¡¡¡£©

A. for                       B. ahead                    C. of                        D. before

3.         I have a£¨n£© to make to you--I opened your letter by mistake.£¨¡¡¡¡£©

A. apology                B. disadvantage          C. fault                     D. shortcoming