— What's the population ____ the U.S.A?— The U.S.A has ____ population of 297 million.
#27937
A
of…a
B
of… /,
C
in…a
D
in … some
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Tom is in _____.
#29338
A
Class One
B
Class one
C
class one
D
the Class One
The _____ now is that we have many _____ to ask. 
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A
problem; questions
B
problems; question
C
question; problems
D
questions; problem
______ arrived ten minutes after Mrs Cousins telephoned them.
#29284
A
The police
B
The polices
C
A policemen
D
Police