2.2 Choose so, because, but, although to complete the sentences below. 1. We couldn't find a taxi, we walked home.2. it was very cold, she wasn't wearing a coat3. I woke up there was a noise.4. I called him his mobile was turned off.5.she's very nice, she doesn't have many friends.6. There was nothing on TV, __I went to bed.7. All the cafes were full it was a public holiday​