日本成人片在线_久久免费精品视频_国产午夜精品久久久久久免费视_校花撩起jk露出白色内裤国产精品_av影片免费在线观看_国产小视频在线看_最新av免费在线观看_99久久99久久精品国产片_欧美成人猛片aaaaaaa_蜜桃免费网站一区二区三区

It’s _______ orange. It’s _______ yellow orange.

A．a, an             B．an, a             C．a, the             D．a red, a red

_________ eight-year-old girl saw _________ UFO yesterday.

A．An; an            B．An; a             C．A; a              D．A; an

_______ girl over there is my sister. She wears ________ orange coat.

A little boy wrote _____ “u” and _____“n” on the wall.

A．a; an             B．an; a             C．an; an            D．a; a

This is    orange. That ruler is     orange.

A. an, /   B. an, an    C. a, an