1. rescue (n) = D. saving somebody from danger or an unpleasant situation. If you rescue somebody, you are helping them avoid injury or possible death by giving them a hand in their time of need. It is very important to rescue someone if you see they need help, and if you can do it, obviously. 2. join = C. to become a member of an organization or a club. If you join a club or an organization, it means that you have been accepted as the honorary member of that organization or club. This means that you can use your membership perks to get some things that non-members cannot. 3. shout (n) = B. a call informing of a mission. If there is a shout, it means that you need to go to do the mission immediately. It is important to do it instantly because there may be danger or an emergency and your expertise may be needed at that same instant. 4. condition = F. the situation or environment in which something happens. These conditions can be either good or bad, positive or negative. If they are good and positive, then good things are going to happen; otherwise, the likelihood is that you are not going to be happy about how the situation unfolds. 5. crew = G. the people who work on a boat or ship. The noun crew refers to everyone employed there - it doesn't only have to be a boat or ship, it can also refer to employees in an organization or a company, or a general team of people who all work in a same place or for the same company. 6. keep fit = E. to do exercises to stay healthy. If you keep fit, it means that your body is healthy and you are unlikely to get sick or fat any time soon. If you exercise often and eat healthy foods and drink a lot of water, chances are that you are going to be fit for a very long time if you maintain such a healthy lifestyle. 7. supportive = A. helpful and caring. A supportive person is always there for you, wanting to help you out with everything you need. They may give you sound advice, they may help you do something, and they are always there for you when you need them. This is probably the best type of people to have around you.
