( )1. relate
( )2. great
( )3. south
( )4. exact
( )5. remain | A. around
A. real
A. breathe
A. exist
A. certain | B. operate
B. break
B. theory
B. exercise
B. certain | C. surface
C. mean
C. these
C. explain
C. praise | D. unhappy
D. dealt
D. southern
D. experiment
D. said |
