一、单项选择（20分 ）
( )1. The volunteer spoke as_________ as she could to make the visitors understand her.
A. clearly B. more clearly C. most clearly D. the most clearly
( )2. My mother ______ a farmer. Now she’s a worker.
A. is used to being B. used to being C. is used to be D. used to be
( )3. I don’t know where she is. Maybe she ______ the library.
A. has been to B. has gone to
C. has went to D. got to
