Помогите с д.з. по английскому
Вставить слова которые в скобках:Go outside on a sunny day and look (at/on) your shadow!Early (in/at) the morning and late in the afternoon,it is long.At lunchtime,it (has/is)very short.This is decause the Earth moves around the sun and the sun is in a different place (in/on) the sky at diffeent times of the day.Sundials use shadows to tell the time.They (have/are) the oldest way to tell the time.