---Have you seen Bill recently? --- Oh,
题型:选择题
问题:
---Have you seen Bill recently?
--- Oh, no! Nobody knows ______ he is! Everyone is looking for him.
A.where
B.what
C.who
D.how
---Have you seen Bill recently?
--- Oh, no! Nobody knows ______ he is! Everyone is looking for him.
A.where
B.what
C.who
D.how