—Paul, do you an American friend?—No, I don’t. But my sister one. A. has; has B. have; h

—Paul, do you an American friend?
—No, I don’t. But my sister one.
A. has; has
B. have; have
C. have; has
D. has; have

A. has; has B. have; have(答案→)C. have; hasD. has; have解析：句意：——保罗，你有一个美国朋友吗？——我没有。但是我的姐姐有一个。第一空用于一般疑问句中，主语之后用动词原形，故此处为have。第二空的主语是my sister，第三人称单数，故用谓语has。故选C。

谢谢了