---Is Christmas____December 25th or 26th ?   ---25th, I think.
#46654
A
on
B
in
C
at
D
for
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His father is __________ engineer and he works __________ research.
#49406
A
an, on
B
an, with
C
the , on
D
a, with
---When will they ______?     ---_______ the seventh of July.
#49619
A
arrive, On
B
arrive at, On
C
arrive in, In
D
arrive, In.