---Have you finished your homework_____? ---No, not_____.
—What color is it? —It’s ____ blue , it’s ____ blue ruler.
I have ____ uncle and he has ____ aunt.
—Good evening,Tom.—___________,Cindy.
含有相同元音音素的一组字母是_____
— Are you willing to live in Antarctic (南极) one day?—_______ It sounds exciting, but it’s a little cold there.