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---how many students are there in the classroom? ---_____Idon’t know where they have gone.
#41473
A
No one
B
None
C
Nobody
D
Nothing
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 —______ there is no water left on the earth? —I really don’t know.
#42596
A
So far
B
Even though
C
What if
D
Ever since
— Let’s go to the community if it           tomorrow.— But nobody knows if it           tomorrow.
#43090
A
won’t rain; rains
B
doesn’t rain; rains
C
doesn’t rain; will rain
D
won’t rain; will rain
Finally, we went home together.
#43810
A
At least
B
At last
C
At most
D
At first
   is the pencil box?  It’s red.
#42416
A
What
B
Who
C
What color
D
Where
Tony usually gets up_____.
#41183
A
at six thirty
B
at thirty six
C
on six thirty
D
on thirty six