1. What makes shadows? Light makes shadows.
ответ можно найти в тексте: Light makes shadows. When light hits you, a shadow falls
2. When the sun is high, the shadows are short.
В тексте: When you eat lunch, the sun is high in the sky. Now, the sun makes short shadows.
3. When can you see long shadows? In the morning and late afternoon
В тексте: When you wake up, the sun is low. It makes a long shadow[...] Your shadow gets longer in the late afternoon.
4. What moves: Earth or the sun? The Earth
В тексте: The sun looks like it moves. But it does not. Earth does.
5. If you stand facing the sun, your shadow will be behind you.
В тексте это не сказано, но это можно проверить если выйти на улицу и посмотреть на солнце
2. Look (Present Simple) ! That man over there is wearing (Present Continuous) the same sweater as you.
3. Your son is (Present Simple) much taller than he was (Past Simple) last year. He has grown (Present Perfect) a lot.
4. I still don’t know (Present Simple) what to do. I haven't decided (Present Perfect) yet.
5. We can go (Present Simple) out now. It is not raining (Present Continuous) anymore.
6. What speed was the car doing (Past Continuous) at the time of accident?
7. I wasn’t (Past Simple) very busy at weekend. I did not have (Past Simple) much to do.
8. Mary usually phones (Present Simple) me on Fridays but she did not phone (Past Simple) me last Friday.
9. When Sue heard (Past Simple) the news, she was (Past Simple) very pleased.
10.What were you both doing (Past Continuous) at 7 o’clock yesterday?