6£®Miss Chen can show you around _______ mountain, because she has _____ good knowledge of it.

A. the; a                 B. a; the          C. a; a              D. the; /

7£®Jackie Chan, an international superstar, has received many _______ for his wonderful movies.

A. returns                B. presents       C. offers           D. awards

8£®It is generally ________ that smoking is harmful to our health.

A. accepted              B. received        C. combined     D. collected