Вставьте слова, указанные 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 because the Earth moves around the sun and the sun is in a different place (in/on) the sky at different times of the day. Sundials use shadows to tell the time. They (have/are) the oldest way to tell the time.

Правильные слова:

Go outside on a sunny day and look at your shadow! Early in the morning and late in the afternoon, it is long. At lunchtime, it is very short. This is because the Earth moves around the sun and the sun is in a different place in the sky at different times of the day. Sundials use shadows to tell the time. They are the oldest way to tell the time.

Ответы по порядку:

1. at — look at your shadow (смотреть на свою тень)

2. in — in the morning (утром)

3. is — it is very short (она очень короткая)

4. in — in the sky (на небе)

5. are — they are the oldest way (они являются самым старым способом)

Полный текст с вставленными словами описывает, как длина тени меняется в течение дня и как солнечные часы используют тени для определения времени.