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 I visit my grandparents __________ Saturday afternoon.
#36509
A
on
B
in
C
at
D
of
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—  Must I return the book this week? — No, you ____. You can _    it for 20 days.
#44083
A
mustn't: keep
B
needn't; borrow
C
needn't; keep
D
mustn't; borrow
— How many left-behind children are there in your class? —            .
#38901
A
Nothing
B
Nobody
C
Neither
D
None
I can’t find    to sit on the crowded bus.
#43195
A
nowhere
B
somewhere
C
anywhere
D
everywhere
—________ does your father play tennis after work?—Every Tuesday and Thursday.
#42874
A
How often
B
How soon
C
Where
D
Why 
It is           useful book. I borrowed it from           school library.
#36656
A
an ; a
B
a ; an
C
an; the
D
a ; the