Soapy means that something has soap on it. Sudsy mean that something has lots of soap bubbles. Foamy means that there are a lot of bubbles piled on each other. So for both cases they will be all 3 things and it just depends on what you want to highlight. As a side note, I've rarely heard sudsy outside of books, usually just soapy or foamy usually.

Often times people vote for the person of their chosen political party because they trust the party. Voting one's conscience, or voting according to one's conscience is what we call it when someone votes for someone or something they believe in personally. For example this year in the United States, a lot of people don't trust either candidate to be a good leader and feel that they have to vote their conscience by voting for someone else, as they would feel bad voting for someone they don't believe in.

Here, I am waiting my girlfriend.

I'm from Colombia, I am living in the city of Bogotá. I'm waiting my girlfriend, she is visiting a friend and is coming later. We will go out to eat tonight before we go my house....thank you for you help. I need to improve my English, my English is not very good.

Present progressive can be used, like it is here, to ask general questions. I'ts not asking about that one dolphin, or about that one person who got saved, but about all the times that dolphins save people. Any other tense would have a different meaning, or not make sense. For example, if it said "Were they actually intending to be helpful?" it would sound like it was talking about a particular story of a person getting saved by dolphins. Hope this helps.