1. The school’s system of serving lunch needs ______. It is too slow.
A. to reorganize
B. reorganized
C. being reorganized
D. reorganizing
2. Never before ______ seen anybody who can play tennis as well as Robert.
A. had she
B. she had
C. has she
D. she has
3. The driver can adjust the heating in winter and the air conditioning in summer to suit his own _______.
A. reference
B. preference
C. convenience
D. selection
