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 coat
3. 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​