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It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind，　　　　？
#64932
A
was it
B
wasn’t it
C
did they
D
didn’t they
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You all had a good time yesterday,________?
#65466
A
hadn’t you
B
haven’t you
C
didn’t you
D
don’t you
—        is your sister?—She is eight years old.
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A
How
B
How old
C
What
D
Where
—Does she ______ a knife? —No, she _________.
#60349
A
has; don’t
B
have; does
C
have; doesn’t
D
have; has
—      does your father wash his car?—Once a week.
#59928
A
How much
B
How often
C
How many
D
How long
---________?----They’re fine, thanks.
#59765
A
Are they your grandparents
B
Do you like your grandparents
C
How are your grandparents
D
Where are your grandparents