Ⅰ．单项选择。（10分）
( ) 1. This coat is expensive, ___, it’s worth it.
A. but B. however C. although D. as
( ) 2. He made a quick response ___ his mother’s question.
A. to B. for C. at D. as
( ) 3. Can you ___ this difficulty?
A. get up B. get into C. get over D. get to
