—It seems that his health is improving.

—Yes. It is ten years ___ he _____.

A. that, smoked     B. after, didn’t smoke       C. since, smoked     D. before, smoked

—It seems that his health is improving.

—Yes. It is ten years ___ he _____.

A. that, smoked     B. after, didn’t smoke       C. since, smoked     D. before, smoked

 —It seems that his health is improving.

—Yes. It is ten years ___ he _____.

A. that, smoked     B. after, didn’t smoke       C. since, smoked     D. before, smoked

—It seems that his health is improving.

—Yes. It is ten years ___ he _____.

1. A.
   that, smoked
2. B.
   after, didn’t smoke
3. C.
   since, smoked
4. D.
   before, smoked

—— It seems that his health is improving．

—— Yes．It is ten years ______ he _______．

A．since；  smoked                  B．since；  did n' t smoke

C．that； smoked                    D．before； smoked