题干
- _________are his football clothes?
- Under the bed.
A：Where
B：Who
C：Whose
D：What
答案(点此获取答案解析）
A
- _________are his football clothes?
- Under the bed.
A：Where
B：Who
C：Whose
D：What
，满足
，且当
时，
，则
的值为（ ）
