（ ）1. A. boat B. both C. health
（ ）2. A. how many B. forever C. however
（ ）3. A. necessary B. serious C. thin
（ ）4. A. so…as B. both…and C. as…as
（ ）5. A. My brother is taller than me. B. My brother is shorter than me.
C. My brother is as tall as me.
