1. The girl isn't beautiful but I like her voice. (Although) 2.The vegetables are not fresh. You sold them. (Relative pronoun) 3.I think it would be a good idea to take the train. (suggest) 4.Peter sings very well. He can compose many pieces music.(Relative pronoun ) of 5.It started to rain, so we stopped playing tennis. (As) 6. He works in the evening. He has no time to play with his children. (If)