Ten students in our class will celebrate their birthdays ______ October. 
#38061
A
in
B
on
C
of
D
at
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We       six days a week, but now we only work five days.
#43400
A
used work
B
are used to work
C
used to working
D
used to work
Would you please ___ it in Japanese?
#43406
A
not say
B
not speak
C
not to say
D
not to speak
----Must I put my bike here? ----No, you           .
#40579
A
don’t have to
B
can’t
C
mustn’t
D
don’t need
—______,what time is it now?— It’s eight o’clock.
#36694
A
By the way
B
On the way
C
In the way
D
In this way