把句子写具体。
_______的老奶奶_______地等待_______亲人。
可怜的 焦急 久未见面
I ______ ride a bike to school. But this morning I took a taxi because I got up late. [ ]
A. never
B. sometimes
C. seldom
D. usually
1，23，45，67，89，( )
A．1011
B．111
C．1101
D．101
