Вопрос № 1

.... 1991

in
at
on

Вопрос № 2

... Monday

in
on
at

Вопрос № 3

... Monday morning

on
in
at

Вопрос № 4

... a cold day

on
in
at

Вопрос № 5

... the present

in
at
on

Вопрос № 6

... September

at
on
in

Вопрос № 7

... Christmas

in
at
on

Вопрос № 8

... a week

on
in
at

Вопрос № 9

... May 7th

on
at
in

Вопрос № 10

... winter

at
on
in