一、单项选择题(10’)
1. ---You’ve dropped ______ “s” in the word “necessary”.
---Oh, _______letter “s” is doubled.
A. a, a B. a, the C. an, the D. the, the
2. ---We’re all here ______Lily. Where’s she?
---She’s gone to the library.
A. beside B. besides C. except D. except for
