Question

как сказать на английском языке 7:45,8:30,5:00,6:15.

Answer 1

7:45 — a quarter to eight.
8:30 — half past eight.
5:00 — five o'clock.
6:15 — a quarter past six.

Answer 2

7:45 - a quarter to eight
8:30 - a half past eight
5:00 - five o'clock
6:15 - a quarter past six