The lights in the classroom are on, but ______ is in it.
#43107
A
someone
B
anyone
C
no one
D
every one
推荐题目
We should not eat ________junk food. 
#43708
A
too many
B
too much
C
many too
D
much too
--_________ can cormorants stay under the water?--_________ up to two minutes.
#39205
A
How soon, For
B
How often, /
C
How long, For
D
When ,For