单项选择
21.. We will see you again next Saturday ______, you must rest as much as possible and take good care of yourself.
A. However B. Meanwhile C. Otherwise D. Therefore
22. Although they just met for the first time, they talked _____ they had been friends for many years.
A. as long as B. even if C. such as D. as if
23.This medicine will _______________ him of his cough.
A. recover B. treat C. cure D. heal
24. It was in the small house _____ he was born _____ he ended his life.
A. that; where B. which; that C. that; which D. where; that
