1. While I was copying the exercise, my friends described a picture.
2. When we came in, the children were cleaning their desks.
3. We met her at the bus stop. She was waiting for the bus.
4. Some of the children went skiing, other children were skating. Everybody had a lot of fun.
5. When we came the family were getting everything ready for Christmas. Bob and Helen decorated the Christmas tree.
6. The girls fed the birds in the garden while the boys were making a bird-house.
7. When I came to my friend’s place, he was watching TV.
8. When I saw my friends, they were playing football.
9. When I opened the door, the cat was sitting on the table.
10. When Kate opened the door, the children were dancing round the fir-tree.
11. When Tom was crossing the street, he fell.
12. When I was going to school, I met my friend.
13. When we were going to the cinema, we met grandmother.
Объяснение:
1. Backpack - the most important thing, because you can put a lot of things in a backpack.
2. The first aid kit is very important because it is very easy to get injured in the mountains.
3. Headphones are not very important, but you can go on vacation with them.
4. A passport is the most important thing, even more important than a first aid kit, because without it you will not be allowed to rest.
5. A phone charger is not a small thing, because the phone can be discharged, there will be no connection and it will not be possible to capture the beauty of nature.
6. Shampoo is not a very necessary thing, but depending on what time you eat to rest.
7. Sun cream is a necessary thing in the summer, but I don't know if it is needed in the mountains.
8. In the mountains, a swimming costume is not really needed, but if you are going to swim on vacation in July, then you will need a swimming costume.
9. A suitcase is needed, because if you take a lot of things, then you will not need it.
10. You need a toothbrush.
Объяснение: