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
B:what
C:who
D:how
正确答案是:
同类题型
The weather ________ be very cold at times, though it’s usually warm in spring in my home-town.
He has ____________ friends in the school. He is unhappy.
Your English is good. I think you can __________ the English Festival.[ ]
What time is it now ? — eight o’clock .
I don’t think one can keep healthy ______ taking enough exercise.[ ]