流行于陕北等地的“信天游”属于民歌中的类。（）
A、小调
B、号子
C、山歌
参考答案：C
- Ben, can you come to play football with us now?
- ________, but I have to wash the dishes first.
A．No, I can’t
B．I don’t want to
C．Yes, please.
D．I’d love to
四元式
