get into (to get into = subir a) - also 'get in' and 'jump in' (you GET IN a car, taxi, lorry etc but you GET ON a bus, train, bike and horse)
go along (to go along = pasar por / progresar, ir)
gave (him) away (to give away = traicionar / revelar, descubrir)
hanging about/around (to hang about / hang around = esperar/ perder el tiempo/frecuentar). "Hang out" is also correct.