Question

Заполнить пропуски предлогами (at, in, on, up, by, from…till). When is your sister`s birthday? My sister`s birthday is … the 10th … October. I usually on watch …. 4 a.m. … 8 a.m. Navigation usually starts … April, seldom … May. We usually have a day off … the 1st of January.

Answer 1

1) on , in
2) from, to
3) in, in
4) on

Answer 2

When is your sister's birthday? My sister's birthday is on the 10th of October. I usually watch from 4 a.m. till 8 a.m. Navigation usually starts in April, seldom in May. We usually have a day off on the 1st of January.