--Do you want one way ________ round-trip?--Round -trip. We'll return __________December 8th.
#49527
A
or; in
B
and; in
C
or; on
D
and; on
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My father returned at 10 o’clock ______ of June 15.
#47846
A
in the night
B
by the night
C
on the night
D
at night