问题
I want to buy _________ piano for my daughter as the birthday gift. She’s good at playing ________ piano. What do you think of _________black one
A:a, the, a
B:a, /, the
C:a, the, the
D:the, /, a;
B:a, /, the
C:a, the, the
D:the, /, a;
正确答案是：
