A:单眼皮
B:色盲
C:家兔的毛色
D:苹果的颜色
观察图形 …并判断照此规律从左到右第四个图形是( )
修一条长67km的水渠,还剩42km没有修,已经修了多少千米?
Although at the age of 30 and much older than the other players, Zhang Ning __________ to win the gold medal in the final match.