Question

NS
5.00
of the
ice is
ed bele
5. Other prepositions showing time
Look at these illustrations to understand some other prepositions:
at 5 o'clock
The train departed at 5 o'clock.
about 5 o'clock
They're expected here about 5 o'clock
before 5 o'clock
You must ring me before 5 o'clock.
(The x indicates that the point denoting
exact 5 o'clock is not included.)
after 5 o'clock
I won't be in the office after 5 o'clock.
until 5 o'clock = not before 5
I won't leave the office until 5 o'clock.
by 5 o'clock = any point before 5 or at 5
Will you be home by 5 o'clock?
from 5 o'clock to 8 o'clock
The doctor will be available from 5 to 8 o'clock.
X
on, at
iwall
8:00
6. For since and for see Page 26.
with suitable prenositions. In certain cases more than​

Answer 1

where is the question .I am not able to understand this.