Ⅰ. 单项选择(30分)
( )1. [10·大理中考]After trying many times, we got successful in the end.
A. at present B. at first C. at last D. at least
( )2. His brother gave up swimming at the age of 30.
A. enjoyed B. failed
C. stopped D. started
( )3. If you study hard, your English will be improved.
A. get better B. get worse
C. get weak D. get the same
( )4. The old man plays Tai Ji/Taichi every day to stay fit.
A. keep healthy B. make happy
C. take care D. keep strong