A:ill, sick
B:ill, ill
C:sick, sick
D:sick, illness
便民自行车已成为荣成市一道亮丽的风景。以下关于自行车的说法正确的是( )
San Francisco is a city in America. ( )
It's impossible ____ (learn) English well in a short time.
以下关于中国古代戏曲的说法,不正确的是