When and where to enjoy our summer vacat
题型:选择题
问题:
When and where to enjoy our summer vacation _____ yet. [ ]
A. aren't decided
B. isn't being decided
C. hasn't been decided
D. haven't been decided
When and where to enjoy our summer vacation _____ yet. [ ]
A. aren't decided
B. isn't being decided
C. hasn't been decided
D. haven't been decided