补全短文 (选词并将单词填写到横线上)

Bob and his father are going         . They want to           a Mp5 player. Bob wants to          English with it. Mp5 player is very         , he can put it in his pocket and          it anywhere. He can also           ________ to music when he is roller-skating. Bob asks the salesman to     ___   him a blue Mp5 player, he likes the         . But it’s too big. Then the salesman  shows them another         . It’s 1238 yuan. Bob and his father both like it, so they take it and        for it. This Mp5 player is his favorite and he is very happy.